maintenance free

Characters of this device are : simple handing, steady operation, high accuracy and maintenance free.

该编码器定尺操作简便, 运行稳定, 达到了高精度、免维护的效果.

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Objective: To investigate the new maintenance chemotherapy of acute promyelocytic leukemia ( APL) after complete remission by all-trans retinoic acid ( ATRA), thereby increasing the long disease-free survival time of APL.

目的探索急性早幼粒细胞白血病（APL）经全反式维甲酸（ATRA）治疗达完全缓解（CR）后理想的维持治疗方案，提高APL的长期无病生存时间。

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Designed as a hydraulic service tool, this meter will provide years of maintenance-free performance.

作为液压服务工具设计, 这款表将提供维修年免费的性能.

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It has the merits of easy development, low cost, free of maintenance and high reliability.

该系统开发方便, 费用低廉, 免维护,可靠性高.

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Application of maintenance free sonic soot-blowers to heat and power station boilers of Guangzhou Petrochemical General Works

免维护声波吹灰器在广州石化热电站锅炉上的应用

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The ELF Coalescer is a simple, virtually maintenance-free system for separating oil from steam condensate.

该聚结器是一种简单的用于分离蒸汽冷凝液中的油的系统, 维修方便.

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It is a maintenance free analyzer as its newest design of the precision meter pump.

使用隔膜式精密计量泵---计量精确、免维护.

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study on parametric drift behavior is much more important as reliability is developing toward failure free or maintenance free operating.

随着可靠性朝无故障寿命或无需维修工作周期的方向发展，对产品的参数漂移进行研究越来越显重要。

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The car or motorcycle accumulator made of such slab lattice has excellent maintenance free performance.

利用该合金板栅制造的汽车、摩托车蓄电池均有优异的免维护性能.

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Key parts are made of special materials, almost maintenance free.

◎关键零件均采用特殊材料, 基本无须维护.

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The maintenance programme will additionally seek to keep the sites free of graffiti.

这个维护方案还会试图保护这些地点不被涂鸦。

《柯林斯高阶英汉双解学习词典》

the inserting pin with fixed structure which does not need oiling is pollution free and maintenance free.

插针采用固定构造，完全不用加油，无污染，无维护成本。

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Easy installation, completely free maintenance & automatic operation, 10-year service life.

□安装方便即插即用, 完全 免维护 自动运行, 质量可靠,寿命10年.

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But the only way college could be free is if the faculty and staff donated their time, the buildings required no maintenance, and campuses required no utilities.

但是大学免费的唯一途径是教职员工能够捐赠自己的时间，校舍不需要维护，校园不需要公共设施。

六级真题- 2018年 6月 2卷 阅读B

Reliability centred maintenance ( RCM) based on a new concept, namely, maintenance free operating period ( MFOP) can effectively improve the availability of aircraft and it's equipment. It can also decrease the cost of logistic support.

基于无维修工作期（Maintenance Free Operating Period，MFOP）的可靠性理论既可有效改善飞机及其设备的可用性，同时也可大大降低后勤保障成本；

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Maintenance-free battery and valve-regulated storage battery are very sensitive to the charging voltage.

免维护电池和阀控电池对充电电压很敏感,而添加负极膨胀剂又强烈影响电池的充电接受性能.

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The valve has a light weight compact design that provides maintenance-free dependable service.

该阀重量轻、设计简单、使用可靠、免维修.

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The bridge is manually operated by hydraulic and is almost maintenance-free, requiring no other power.

登车采用手动液压操纵,无需其它动力,几乎不需要任何维修.

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We provide door-to-door delivery, installation , debugging and one-year maintenance free charge and all-life services.

所有产品免费送货上门 、 免费安装调试 、 免费保修一年,和终身服务.

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More environmental protection, Low Noise, maintenance-free and other unique advantages, improve your corporate image.

更具有环保, 低噪, 免维护等特有的优点, 提升您的企业形象.

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One of today's hottest amenities , radiant floor heating systems are cozy, energy-efficient, and maintenance-free.

当今最热门的地板辐射采暖系统之一的是舒适, 节能, 和全免维修费用辐射地板.

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Battery , maintenance-free , Charger for maintenance-free batteries, Disc brush , standard , Longlife fan, Tank-in-tank system.

标准盘刷2个, 箱中 箱式 水箱设计, 免维护电瓶和充电器.长寿命抽吸风扇.

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Maintenance-free CDI ignition system ensures precise, reliable spark for peak engine performance at all RPM.

免维护CDI点火系统保证了引擎在全部RPM工况下所需的精确可靠的点火火花.

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