浙江米勒洁净设备科技有限公司是国内专业生产制造洁净卫生级阀门管件,主要应用于食品机械行业、制药机械 ... Technology Co., Ltd. is a domestic professional manufacturer of clean and sanitary valve and pipe fittings, which are mainly used in the food ...
在装置(设备)排水口与下水接口之间空出一段没有任何阻断的垂直距离。The air blocking device means that the equipment drain pipe is not directly connected with the receiver, but drains under the overflow edge of the receiver and above ...