海词手机词典

Vent the gas in the regulator and/or system, or isolate the system, and vent the gas in the regulator by turning the adjusting knob clockwise so that no pressure is trapped inside the regulator.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌