一切面状构造均可用向线和倾斜角来表示.All planar structures are represented by a strike line and dip angle.通常假定反力在垂直切面内不发生变化.It is generally assumed that a reaction does not change in elevation.这是切面包片的机器.It's a machine for slicing bre...
He merely cleared and concreted the floors.他只是把地面清理之后浇上了混凝土。After seven days , the grouted mortar will have concreted, then we shall tighten the anchor bolts.灌浆在七天以后凝固, 我们就将拧紧地脚螺栓.Used as the surface sealer of concreted ...
The text is good in parts, but suffers from discontinuity.文章分开看还好,但是问题在于不连贯。Your erogenous zones are the parts of your body that respond to sexual stimulation.你的性感地带就是身体上对性刺激起反应的那些部位.A friendly intercourse is opened betw...
The board acknowledges problems which arise from the newness of the approach.董事会承认使用新方法产生了种种问题。The country's present difficulties arise from the reduced value of its money.该国目前的困难起因于其货币的贬值.Accidents often arise from...
N, N - Diisopropylethylamine ( DIPEA ) was prepared from diisopropylamine ( DIPA ) and diethyl sulfate ( Et _ 2 SO _ 4 ).以二异丙胺 ( DIPA ) 、硫酸二乙酯 ( Et2SO4 ) 为原料合成N, N二异丙基乙基胺 ( DIPEA ).Objective The study of effect of Diisop...