This is done with a dry test meter calibrated for methane.
可采用为甲烷作出校准的干式检测仪来完成这一操作。
In order to further promote the pressure-meter test, and serve for project construction.
以便进一步的推广旁压试验，为工程建设服务。
The meter buildup with test system, transmit note structure, and body.
仪表由测量系统、传动指示机构和外壳等组成。
The meter buildup with test system, transmit note structure, and body.
仪表由测量系统、传动指示机构和外壳等组成。
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