open-and-shut valve 中文意思是什麼
open-and-shut valve
解釋
雙位開關閥-
Heart sounds is heart throb process in, shut by the valve inside the heart, open, and the sound that the oscillatory place such as systole or diastole produces
心音是心臟搏動過程中，由心臟內瓣膜關閉、開放、以及收縮或舒張等振動所產生的聲音。 -
Once the water reaches its maximum speed, the valve slams shut and pressure is built up in the pump. this pressure forces open a second valve linked to the delivery pipe. when nullah water falls past the hydraulic ram, its momentum will lift a tenth of the water to a storage tank located near the esther li building photo 2
泵內有活門，當溪水在流動中受阻，會產生比正常壓力高十倍以上的瞬時水錘壓力，此時，泵內的另一活門會打開，把十分之一的溪水抽往設于李慧珍附近的儲水缸備用（圖二） 。 -
One of those boys, who loved to play with his companions, observed that, by tying a string from the handle of the valve which opened this communication to another part of the machine, the valve would open and shut without his assistance, and leave him at liberty to divert himself with his playfellows
有一次擔任這工作的某兒童，因為愛和朋友遊玩，他用一條繩把開閉通路的舌門的把手，系在機械的另一部分，舌門就可不需人力自行開閉。 -
Open and shut - down is operated by the density variati on bet ween condensation water and steam, condesation water can drive valve directly, featuring precision and reliability
倒置桶疏水閥的開啟和關閉是根據凝結水和蒸汽的密度差來動作的，凝結水可直接驅動疏水閥啟閉，其動作準確，可靠性高。 -
In the hydraulic transmission systems, after the valve is suddenly open and shut off, there will be a fluid transient in the form of pressure pulsation propagating along the pipeline
液壓系統中，閥門的快速開啟或關閉會在管路中發生壓力瞬態脈動過程。 -
The device should be in the shut - down if the valve - board is placed longer. driving parts should add lubricated oil. placing in the open air and piling up is not permitted
若長期存放應使設備處于關閉狀態，各傳動部位應加潤滑油，不允許露天存放或堆置。
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