maintenance free的例句大全

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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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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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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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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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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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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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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recent studies show that japanese cars are still more maintenance free than american cars.

最近的研究显示，日本的车在免维修这一点上，仍超过美国车。

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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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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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hospital, government building, plaza and other lighting places: long life span and maintenance free.

医院、市政大楼、广场等照明场所：长寿命、免维护。

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cutting torch, air reducing valve and so on are not in the scope of free maintenance.

割炬、空气减压阀等不属于免费保修范围。

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To understand how the pool maintenance thread works, return to the EJB example ( you could also use MDBs and listener ports, as all you really need is a way to get connections in the free pool).

要了解池维护线程如何工作，请返回到EJB示例（可能还要使用MDB和侦听器端口，因为实际需要的是获得空闲池中连接的方法）。

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the fan, air duct can keep clean, no grease, free maintenance, eliminating fire damage;

风机、排风管，能保持洁净，无油垢、免清洗，消除火灾隐患；

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one year free maintenance service is granted for the troubles resulting from normal use within the warranty period.

保固期内，于正常使用下出现的故障，免费维修。

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induction motor is used widely for its advantages of small volume, low cost, performance reliable, light weight and free maintenance.

感应电机具有体积小、成本低、性能可靠、重量轻、免维护等优点，在电动汽车中得以广泛应用。

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If the connection has not been used for a period longer than the value of the connection pool's Unused timeout property, the maintenance thread checks the number of connections currently in the free pool.

如果连接未使用的时间超过连接池的未使用超时属性指定的值，则维护线程会检查当前空闲池中的连接数。

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Light and oil-free within one year, effective to extend the motor life, reduced maintenance time and maintenance costs.

轻便且一处内免注油，有效延长电机寿命，减小维修时间和维修成本。

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Dry-type transformers require minimum maintenance and provide long years of trouble-free service.

干式变压器的最低要求，并提供免费维修服务多年的麻烦。

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the scroll wrap is the main movement part of compressor, only have the tooth, have no abrasion, thus the life is longer, so this is free maintenance compressor.

涡旋压缩机主要运动件涡盘只有啮合没有磨损，因而寿命更长，被誉为免维修压缩机。

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