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The key construction unit to gas inspection is sensitive element for gas and gas transducer.
气体检测的关键结构单元是气敏元件和气体传感器。
youdao
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No combat ready unit has ever passed inspection.
从来没有一支完成战备的单位能通过校阅。
youdao
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No combat ready unit has ever passed inspection.
从来没有一支完成战备的单位能通过校阅。
youdao