短語詞組短語sluice e valve 制水閥;閘閥double faced sluice gate valve 兩面遮斷閥sewage sluice valve 污水閘閥combined sluice valve grinder 組合式閘閥研磨機(jī)sewer sluice valve 污水管沖洗閥sluice valve engineering 泄洪閘工程auxiliary sluice valve 輔助蒸汽閘閥high pressure sluice valve 高壓閘閥water sluice valve 制水閥 返回 sluice valve