... 置换容积：displacement volume 置换器：displacing device 置换结核：replacive concretion ...
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displacing device
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以上为机器翻译结果，长、整句建议使用 人工翻译 。
The paper describes a new methane desorption measuring device Which is based on the water gas displacing principle and combined with single chip computer technique.
介绍一种以排水集气原理结合单片机技术的新型测量仪器。
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