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drainage exit中文什么意思

drainage: n. 1.排水，放水；排水法；逐漸流出。 2.下水道；排 ...
exit: vi. 〔拉丁語〕【戲劇】退場〔cf. exeunt ...
exit: n. 1.出口，出路，太平門。 2.【電學】引出端；排氣管。 3.外出；離去；死亡；【戲劇】退場(opp. entrance)。 make one's exit退出；退場；去世。 vi. 1.退出，離去。 2.死，去世。 vi. 〔拉丁語〕【戲劇】退場〔cf. exeunt; opp. enter〕.
no exit: 此門不通; 毫無出路; 禁止通行; 沒有出口; 無路可出
drainage: n. 1.排水，放水；排水法；逐漸流出。 2.下水道；排水設備，排水系統。 3.水系，排水區域，流域。 4.陰溝水，(排出的)污水。 5.【醫學】引流，導液(法)。 drainage work 排水工程。 drainage and irrigation equipments 排灌設備。

下載手機詞典可隨時隨地查詞查翻譯

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型橡膠緩閉逆止閥是一種全橡膠結構外形呈“鴨嘴狀” ，具有“正向流入反向逆止”功能的新型給排水閥門產品。它根據受力分析和受力計算，針對不同的工況，采用不同的設計機理，選用不同的橡膠配方，并按特殊工藝制作而成。正向工作時，水由進水口流入，微小的水壓，便能打開閥門，水壓越大，閥門開啟越大，水流量越大。