free-fall time

常見(jiàn)例句

How much free-fall time is safe?
有多少自由下落的時(shí)間是安全的？
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It can open the circulation ports directly and quickly, whereas the free-fall opening plug needs longer time waiting for falling.
它可直接打開(kāi)循環(huán)孔，而不像重力塞那樣需要較長(zhǎng)等待下落時(shí)間。
Considering the very short particle residence time in the free-fall reactor, air was directly used as carrier gas to study the fast pyrolysis and sulfur evolution of coal under oxidizing atmosphere.
充分利用煤顆粒在自由落下床反應(yīng)器中停留時(shí)間短的特點(diǎn)，直接用空氣做載氣，對(duì)自由落下床反應(yīng)器中煤在氧化性氣氛下的快速熱解行為和硫的變遷進(jìn)行了研究。

Emergency anti-shorting rules were put in place for a time last fall in financial stocks to stop a trading free fall.
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