这些不同的晶面,具有很不相同的化学性质, 特别是对化学腐蚀剂的反应不一致.The chemical properties of these surface differ considerably, particularly in their reaction to etchants.但是化学腐蚀剂例如明矾现在很流行.But chemical mordents mordants such as allon alum are popular...
Instead of exchanging lustful glances , the couple looked away from each other.他们也不交换充满欲望的一瞥,相反, 他们从对方身体旁远眺出去.Keeping the same lustful look , she unhooking her small mace.她却卸下她的小锤子,继续用欲望的眼神看着马库斯.Adelmo agreed and duly su...
气缸中的蒸汽膨胀并推动活塞向外运动.Steam in a cylinder expands to push a piston outward.当排气冲程开始时, 气缸被向上运动着的活塞刮掠.When the exhaust stroke starts, the cylinder is swept out by the upmoving piston.在发动机气缸里发生的动作,可以分为四个过程或冲程.The actions taking ...
The gallant John B. Gordon, at head of the marching column, outdoes us in courtesy.英勇的约翰·B · 戈登走在行进纵队的最前头, 他的威仪远胜于我们.Huang Jiguang's gallant deed is known by all men.黄继光的英勇事迹尽人皆知.She made a gallant attempt to hide h...