基本解释[物理学]喷油泵上体英汉例句双语例句Fuel injection pump assembly, should view the plunger positioning screw gasket roller pin , such as body positioning, such as whether the omission.喷油泵总成，应该把位置，如身体，如柱塞定位螺钉密封滚针，是否有遗漏。fuel injection pump body更多例句专业释义物理学喷油泵上体