drainage exit是什么意思_drainage exit中文

drainage exit中文什么意思

drainage: n. 1.排水，放水；排水法；逐渐流出。 2.下水道；排 ...
exit: vi. 〔拉丁语〕【戏剧】退场〔cf. exeunt ...
exit: n. 1.出口，出路，太平门。 2.【电学】引出端；排气管。 3.外出；离去；死亡；【戏剧】退场(opp. entrance)。 make one's exit退出；退场；去世。 vi. 1.退出，离去。 2.死，去世。 vi. 〔拉丁语〕【戏剧】退场〔cf. exeunt; opp. enter〕.
no exit: 此门不通; 毫无出路; 禁止通行; 没有出口; 无路可出
drainage: n. 1.排水，放水；排水法；逐渐流出。 2.下水道；排水设备，排水系统。 3.水系，排水区域，流域。 4.阴沟水，(排出的)污水。 5.【医学】引流，导液(法)。 drainage work 排水工程。 drainage and irrigation equipments 排灌设备。

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Xh rubber slowly - closing cut - off vavle is a new water supply and drainage vavle with full rubber structure , duck - mouthed appearance and functions or positive flow - in and reserve cut - off . according to thrust analysis and calculation as well as different operation mechanism and different rubber products by special processing . all will be open at weak hydraulic pressure is higher , the vavle gate will open more greatly and the water flow is greater . at reserve operation , the vavle gate closes naturally and seals tightly cut - off vavle ; the back pressure is higher , the vavle gate closes more tightly and the seal effect is better . it is used widely in various drainage exit to prevent from pouring backwards and flowing backwards in city planning , water conservancy and sewage disposal etc . it is the ideal productto replace flap vavle
Xf型橡胶缓闭逆止阀是一种全橡胶结构外形呈“鸭嘴状” ，具有“正向流入反向逆止”功能的新型给排水阀门产品。它根据受力分析和受力计算，针对不同的工况，采用不同的设计机理，选用不同的橡胶配方，并按特殊工艺制作而成。正向工作时，水由进水口流入，微小的水压，便能打开阀门，水压越大，阀门开启越大，水流量越大。

drainage exit中文什么意思