burning-in period

常見例句

In fact, old-fashioned, dirty coal burning plants could still be built during this period, and that is wrong.
“事實(shí)上，在此期間仍舊會(huì)建成老式的、臟污的燃煤電廠，這是錯(cuò)誤的” 。
Coal-burning made prominent contribution to the concentration of atmospheric various pollutants in the heating period of Beijing.
研究發(fā)現(xiàn)北京冬季采暖期間燃煤對(duì)大氣各污染物的濃度均具有顯著貢獻(xiàn)。
Experiments doing in oxygen gases. has a burning temperature ordinary 850 degree about, Burning period 30-60 minutes, high temperature preservation 2-3 minutes.
實(shí)驗(yàn)中在氧化氣氛中燒成，釉燒溫度一般在850℃左右，燒成周期30-60分鐘，高火保溫時(shí)間2-3分鐘。