Our knowledge regarding the effects of ionizing radiations is still meagre.我们关于电离辐射效应的知识仍很不足.Dense gas serves to reduce the ionization, because it absorbs the ionizing soft x rays.因为浓密气体吸收掉了使其电离的软x射线,因此能减少电离.Nucleon and ...
He passionately championed the poor.他满腔热情地捍卫穷人的利益。Whenever and wherever tyranny threatened, he has always championed liberty.不论暴君在什么时候或在什么地方肆虐, 他都一直高举自由的大旗.As a further safeguard of the popular interest, progressives cha...
His comrades asked him if he was hurt.战友问他是否受伤了。They were old army comrades.他们是部队的老战友。Share joys and sorrows with your comrades, and support one another in adversity.同甘共苦, 患难相扶....
联轴器是把相邻的两个轴端连接起来的装置.A coupling is a device for connecting the ends of adjacent shafts.主要有齿轮 、 轴 、 泵体 、 安全阀 、 轴端密封所组成.This series are mainly gear , gear pump , valve, pump body, axial end seal.敞开操纵不正护罩, 发不隐轴端动拉螺母已松不静.Open...