The technical property of HYS-1 sampler for undisturbed sand as well as its main structure, working principle and scope of use were presented.
主要叙述HYS—1型原状取砂器的技术性能、基本结构、工作原理及适用范围。
The main work in the paper is that in actual working environment when the environment changes, the temperature is a variable and the variable scope is very breadth.
本文的主要工作就是充分考虑在实际工作环境中，温度不是一个恒值，随着环境的变化而变化，变化的范围很宽。
Detecting and identifying fire calamity, guaranteeing the large scope linkage system working reliably are main jobs of fire calamity watching system's research at present.
目前，火灾监控系统的研究集中在火灾的探测与识别及大规模的联动系统可靠性工作的方面。
Detecting and identifying fire calamity, guaranteeing the large scope linkage system working reliably are main jobs of fire calamity watching system's research at present.
目前，火灾监控系统的研究集中在火灾的探测与识别及大规模的联动系统可靠性工作的方面。
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