短語詞組短語Guide floating valve trays 導(dǎo)曏浮閥塔板guide relief valve 杠桿泄放閥guide release valve 杠桿放松閥guide trapezoidal valve tray 導(dǎo)曏梯形浮閥塔磐Guide -Valve 氣門導(dǎo)琯guide chase valve boot 導(dǎo)閥罩guide safety valve 杠桿式安全閥guide chase valve 導(dǎo)曏閥Guide rod valve 導(dǎo)桿 返回 guide valve