A suction pump used to create a partial vacuum. 用于使局部真空的抽吸泵。
This article compares the fuelling process between the typical self-suction pump and modern immersible pump-based fuelling in fuelling stations. 摘要介紹了傳統加油站采用自吸泵型加油機的加油工藝和近年來(lái)采用潛油泵加油機的加油工藝,并進(jìn)行了對比。