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A liquid level detection instrument of pressure is designed and made.
设计并制作了压力式液位检测装置。
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The liquid level detection is very important in oil product management.
液位监测始终是油品管理中的一个重要环节。
youdao
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The liquid level detection is very important in oil product management.
液位监测始终是油品管理中的一个重要环节。
youdao