Fuel economizer is placed on the back part of the boiler.省煤器布置在锅炉后部.Represents the control discrimination methods of air economizer and their applicability.给出了空气节能器的判别控制方法及各方法的适用地区.Economizer leakage is a main problem in...
借助小型望远镜可以看清月球上的环形山.Lunar craters can be plainly seen with the aid of a small telescope.在月球的高地上留下无数环形山,有的直径达236千米.The lunar highlands are scarred by innumerable craters ranging up to 236 km in diameter.水星上的大环形山周围有很多小的环形山围...
His appointment is a complete surprise — he has never been mentioned as a front runner...他的任命完全出人意料——他从来都不是呼声最高的候选人。He would know when I was fixing to leave. He'd wait by the front door.他会知道我打算什么时候走，他还会在前门等着。One man...
你没把门闩插上，所以狗跑了。You left the latch off the gate and the dog escaped.我一看到蝙蝠就把门闩上了。I had bolted the door the instant I had seen the bat.松一松插销，好转动门闩。Loosen the bolt so the bars can be turned....
入射角等于反射角.The angle of incidence equals the angle of reflection.冬季小入射角阳光的透射可以增加室内亮度.Low - angle winter sunlight penetration can give rise to glare.这种情况中的入射角是三十度.The incident angle in this case is 30 degree....