• The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.

    这种油泵游动采用机械强制开启关闭结构,柱塞为等径浮动结构,可防止发生游动阀、阀球关闭滞后、卡柱现象。

    youdao

  • Cuiping finally realized her act and took the pipe and went out bare foot to the balcony.

    倒是翠平猛然醒悟过来,拎着烟袋光着脚跑阳台上。

    youdao

  • Cuiping finally realized her act and took the pipe and went out bare foot to the balcony.

    倒是翠平猛然醒悟过来,拎着烟袋光着脚跑阳台上。

    youdao

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