The principle and structure of a composition analyzer are described.
本文简要介绍了黄铜镀层成份分析仪的测量原理和结构。
The principle and structure of a new trigger horizontal oil well cable butt tool are introduced.
介绍了一种新型水平井电缆对接工具的设计原理及设计要点。
This paper introduces the principle and structure of a TENS (Transcutaneous Electric Nerve Stimulation) apparatus.
介绍一种恒流型TENS治疗仪的工作原理和结构。
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