该泵出厂前已调整好，不得随意高调，需重新调整时，必需借助压力表进行。

Before should pump out the factory, to adjust, when do not the optional high-sounding talk, probably readjust, must carry on with the aid of the pressure gauge.

youdao

该泵出厂前已调整好，不得随意高调，需重新调整时，必需借助压力表进行。

Before should pump out the factory, to adjust, when do not the optional high-sounding talk, probably readjust, must carry on with the aid of the pressure gauge.

youdao