pumping main 泵站母管
pumping main - 泵站母管
Pumping main electrical wiring diagram 泵站电气主接线图
main pumping equipment 主排水设备
main pumping room 主排水泵硐室
main pumping station 总抽水站
main pumping system 主抽气系统
Although oil pumping into the pipeline has stopped, the residual oil in the pipe is now the main concern.
虽然向管道中泵油已停止，管道中的残油目前成为了主要关注对象。
The effect is to freeze much of the left ventricle, the heart's main pumping chamber, disrupting its ability to contract and effectively pump blood.
其结果是作为心脏的主要动力区的左心室的收缩和有效供血能力受到干扰。
The conventional pumping unit is still the main pumping unit in the field at present, the main reason is that its structure is simple, operation and maintain are convenience, and its use life is long.
目前各油田的抽油设备主要仍为常规游梁式抽油机，其主要原因是该机结构简单，操作维护方便，使用寿命长。
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