按照设计，受油机将打开减速板扯断加油管上方的真空阀。

The receiver puts out the brakes and breaks off the boom just above the dry break valve, as designed.

youdao

按照设计，受油机将打开减速板扯断加油管上方的真空阀。

The receiver puts out the brakes and breaks off the boom just above the dry break valve, as designed.

youdao