The structural characteristics of the tools, operating principle and the field usage situation are introduced.

介绍了该工具的结构特点、工作原理及现场使用情况。

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At the same time, the matters of providing with cooperation of science with practice in the field of usage of underground water become more important.

UNESCO: OFFICE IN TASHKENT

Tablets started off as rugged devices for heavy-duty industrial and field-service usage.

FORBES: What is the Ultimate Ruggedized Mobile Device?