conclusion: the good quality is double insurance, increasing curative effect, decreasing the rate of recurrence and preventing the complication.

1、

the work principle of double insurance level switch, float design, mold design and steam foaming molding technology are introduced.

从双保险式液位开关的工作原理，浮子产品结构设计，模具设计，蒸汽发泡成型工艺等方面逐一进行介绍。

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2、

the mainly dispute is whether the system of double insurance is applicable with personal insurance or not.

目前理论界对此有三种观点，主要分歧在于复保险是否适用于人身保险。

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3、

the first chapter discusses the definition and the component parts of double insurance.

本文第一章主要阐述复保险的定义、构成要件及与其他相近概念的比较。

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4、

object- based svpipe pipeline data acquisition and graph draughting

基于对象的SVPIPE管线数据采集和图形绘制

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5、

fluid draughting media; part 1: water-based india ink; requirements and test conditions

液体制图介质.第1部分：水基墨汁.要求和试验条件

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6、

fluid draughting media - part 3: water-based coloured draughting inks - requirements and test conditions

液体制图介质.第3部分：水基彩色制图液.要求和试验条件

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7、

draughting media for technical drawings; draughting film with polyester base; part 1: requirements and marking

技术制图器材.聚酯基绘薄膜.第1部分：要求与标志

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8、

draughting media for technical drawings; draughting film with polyester base; part 2: determination of properties

技术制图器材。聚酯基绘薄膜。第2部分：特性的测定

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9、

draughting of the hole's sectional view with the cad software program in the deep - hole mining method

深孔采矿法炮孔剖面图的CAD软件程序绘制

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10、

manually operated draughting machines; part 1: definitions, classification and designation

手工操作绘图机.第1部分：定义.分类和名称与符号

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11、

manually operated draughting machines; part 2: characteristics, performance, inspection and marking

手工操作绘图机.第2部分：特性，性能，检验和标志

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12、

numerically controlled draughting machines - draughting test for evaluation of performance - part 2: monochrome raster plotters

数字控制绘图机，性能评定制图试验.第2部分：单色光栅标绘器

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13、

technical product documentation; requirements for computer-aided design and draughting; vocabulary

技术产品文献加工.计算机辅助设计和制图要求.词汇

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14、

technical drawings - numerically controlled draughting machines - draughting media and tools for vector plotters

技术绘图.数控绘图机.制图媒介和矢量绘图机工具

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15、

industrial automation systems and integration - product data representation and exchange - integrated application resources: draughting

工业自动化系统和集成.产品数据表示和信息交流.集成利用资源：制图

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16、

draughting instruments with or without graduation. part 3 : set squares.

带刻度或不带刻度的绘图仪器.第3部分：三角板

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17、

fluid draughting media. part 2 : water-based non-india ink. requirements and test conditions.

液体制图介质.第2部分：非水基墨汁.要求和试验条件

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18、

manually operated draughting machines. part 3 : dimensions of scale rule chuck plates.

手工操作绘图机.第3部分：作图尺夹盘的尺寸

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19、

draughting instruments with or without graduation. part 1 : draughting scale rulers.

带或不带分度的绘图仪器.第1部分：绘图比例尺

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20、

draughting media for technical drawing. draughting film with polyester base. part 1 : requirements and marking.

技术制图用引力介质.聚酯基薄膜.第1部分：要求和标记

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