The fixed gas detection system with automatic self test.

具有自我自动校正功能的固定式气体侦测系统.

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The development of type XGN 69 - 40.5 - fixed Gas - insulated metal - enclosed switchgear - GIS in the following is expounded in this paper.

本文阐述了XGN69 -40.5 箱型固定式气体绝缘交流金属封闭开关设备的研发.

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I portable operating companies at the same time, an independent, fixed gas detection detector.

我公司同时经营便携 、 独立 、 固定式气体探测检测仪.

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