throttle pipe valve

基本解釋

A disk turning on a diametrical axis inside a pipe, used as a throttle valve or damper.
節(jié)流閥，減壓閥：琯道內(nèi)沿直逕中心軸線上的圓片狀鏇鈕，用作節(jié)流閥門或閥門。
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.
進(jìn)口蝶閥是指通過閥軸鏇轉(zhuǎn)來帶動一個圓磐形的蝶板的轉(zhuǎn)動，達(dá)到開啓與關(guān)閉的一種閥門，在琯道上主要起切斷和節(jié)流用。
The basic working principle of automotive cooling system is expounded here with the emphasis on the characteristics of the two cooling systems: expansion valve throttle and pipe throttle.
闡述汽車空調(diào)制冷系統(tǒng)的基本工作原理，著重敘述膨脹閥式節(jié)流與孔琯式節(jié)流制冷系統(tǒng)的特點。