Abstract: The feeler gauge is a flaky guage for testing gap, thickness is the main specification.
摘要： 塞尺是一种常用的检验间隙的薄片式量具， 厚度是其主要技术指标。
The paper introduced basic structure and principle of small sized protective rail dry sweeper, choice and counting of main specification.
介绍一种小型干式护栏清洗车的基本结构及工作原理，同时涉及其主要技术参数的选择和计算。
This paper introduces the composition, operation principle and main specification of antenna hydraulic system used in three-dimensional radar.
本文介绍了某三坐标雷达天线液压系统的组成和工作原理及主要技术指标。
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