The paper introduces a new type slim - hole MWD tool, which is capable of accurately measuring downhole annular pressure and pressure effect caused by swabbing and waveness.
文章介绍一种新型小井眼随钻测井仪，它能够精确测量井底环空压力以及抽吸和波动引起的压力效应。
The paper introduces a new type slim - hole MWD tool, which is capable of accurately measuring downhole annular pressure and pressure effect caused by swabbing and waveness.
文章介绍一种新型小井眼随钻测井仪，它能够精确测量井底环空压力以及抽吸和波动引起的压力效应。
The main function of vacuum sucking sewage truck is to suck and transport the dejecta and sullage and carpolite and the other liquid mixing big suspend impurity for Environment Protection in city.
我公司生产的真空吸污车系列
要功能是为城乡环卫部门抽吸和运送粪便、淤泥、石子及
它混有较大悬浮杂物的液体。
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