He spoke to the boy with asperity.他严厉地对那男孩讲话.Thicker films assure fewer asperity contacts and less wear.油膜越厚,摩擦越少,并且磨损越小.'I told you Preskel had no idea,' remarked Kemp with some asperity.“我告诉过你普雷斯克毫不知情的，”肯普颇为不...
应力范围直方图可用作估算等效 均方根 应用力范围.The stress range histogram was used to estimate the effective root - mean - square stress range.典型的操作是加 、 减 、 乘 、 除和平方根的计算.Typical operations are addition, subtraction, multiplication, division, ...
You gave me back the projector.你将幻灯机还给我了。A light pointer is often useful with a slide projector.光指示器经常与幻灯片放映机一起使用.There is a new projector in my office.我的办公室里有一架新的幻灯机....