The single well flow metering unit, which is made up of oil meter, recorder, accessories such as pipe and valve and so on, was developed for the oil measurement of single well in series oil Wells.
单井流量计量装置是为解决串联油井的单井量油而研究的，该装置由量油器、记录仪表及管阀附件等组成。
A single progressive metering groove did away with both main and corrector jets, as well the Venturi.
一个单一的渐进式计量槽，摆脱双方的主要和校正飞机，以及文丘里。
A single progressive metering groove did away with both main and corrector jets, as well the Venturi.
一个单一的渐进式计量槽，摆脱双方的主要和校正飞机，以及文丘里。
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