短语词组短语boiler blowdown 锅炉排污;锅炉水排污continuous blowdown [环境]连续排污;持续排污Blowdown ales 泄料阀periodical blowdown 定期排污mixture blowdown 混合冲放brine blowdown 废卤水;详细翻译steam blowdown 蒸气冲放blowdown tap 排放口blowdown ring 回座压力调节环 返回 blowdown