短語(yǔ)詞組短語(yǔ)balanced check valve 平衡式逆止閥balanced d valve amplifier 平衡式電子琯放大器balanced relief valve 帶壓力補(bǔ)償?shù)陌踩ybalanced distribution valve 平衡配氣閥;均衡配氣閥balanced control valve 平衡型調(diào)節(jié)閥balanced slide valve 平衡滑閥;均衡滑閥Balanced supply valve 平衡供應(yīng)閥門Balanced reducing valve 卸荷式減壓閥;卸荷式降低壓力閥;卸荷式balanced safety valve 平衡式安全閥;均衡式安全閥;平衡式;均衡式平安閥 返回 balanced valve