短語(yǔ)詞組短語(yǔ)inner blowout preventer valve 內(nèi)防噴閥solenoid blowout valve 電磁泄放閥magnetic blowout valve type attester 磁吹閥式避雷器magnetic blowout valve type arrester [電]磁吹閥式避雷器 返回 blowout valve