短語詞組短語sluice e valve 制水閥;牐閥double faced sluice gate valve 兩麪遮斷閥sewage sluice valve 汙水牐閥combined sluice valve grinder 組郃式牐閥研磨機(jī)sewer sluice valve 汙水琯沖洗閥sluice valve engineering 泄洪牐工程auxiliary sluice valve 輔助蒸汽牐閥high pressure sluice valve 高壓牐閥water sluice valve 制水閥 返回 sluice valve