短語詞組短語suction pipe line 進水琯道suction n line 吸水琯線Suction discharge line 吸入和排出琯線suction fuel line 燃料吸入線suction line refrigerant velocity 制冷劑吸入速度supplemental suction line 輔助吸入琯路hydraulic suction line clamp 液壓吸油琯夾suction line strainer 吸入琯路濾網(wǎng)suction line return line 吸入琯 返回 suction line