他们指出了把冶金工业采用的断裂标准应用于增强塑料的不适合性.They point out inadequacies in applying criteria developed from metallurgical practice to reinforced plastics.呼吸器与使用者脸部的适合性(适配行)是非常重要的.Fit of the respirator to the face is very important.只有供...
我的业余爱好是写信、踢足球、听音乐、玩摄影和打网球。My hobbies are letter writing, foot-ball, music, photography, and tennis.那场展览真正令人激动的就是先锋派摄影的展示。Where the show really excites is in the display of avant-garde photography.欣赏优秀的高桅横帆船摄影作品是种乐趣。A wel...