A small pump with an extended suction duct that is designed to pump fluid from barrels.
一种带延伸的吸入导管的小泵，用来从桶中泵出流体。
To pump fluid through the whole active fluid system, including the borehole and all the surface tanks that constitute the primary system.
通过整个主动的流体体系泵送流体，这一系统包括井眼和所有构成主要循环系统的地面罐。
To pump fluid through the whole active fluid system, including the borehole and all the surface tanks that constitute the primary system.
通过整个主动的流体体系泵送流体，这一系统包括井眼和所有构成主要循环系统的地面罐。
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