介绍阻火器的分类、选型及安装.Introduces the categories of arresters and their type selection and installation.水泵选型时, 其水流量比主机水流量大15%至20%左右.Pump selection, the current host of water flow than 15 - 20 % or so.机电系统控制硬件的选型设计是一件非常繁复的工作.To s...
一团粉尘在他周围扬起。The powdery dust rose in a cloud around him.他一把扯下那女孩的照片，将它揉成一团。He tore down the girl's photograph, and crumpled it into a ball.不合适的洗发水会使卷发纠结成乱糟糟的一团。The wrong shampoo can leave curly hair in a tangled mess...
Never force your legs to overstretch, or you can cause injuries.千万不要迫使双腿过度拉伸，否则会受伤的。He sustained serious neck injuries after he broke someone's fall.有人坠落压在他身上，致使他颈部受重伤。Even minor head injuries can cause long-lasting...
Cysteine is the crucial limiting amino acid for intracellular GSH synthesis.一种略带甜味的晶状氨基酸,通过半胱氨酸参与合成.Resistin, a plasma protein , belongs to a family of cysteine - rich secretory proteins.抵抗素是存在于血浆中的富含半胱氨酸的分泌性蛋白.The actio...