梯形是具有两平行边的四边形.A trapezoid is a quadrilateral with two parallel sides.双梯形的试样将产生切变脱胶现象.A double trapezoidal specimen will generate shear debonding.阀杆上的短梯形螺纹适用于快速启闭操作.Stub acme thread on stem provides rapid open - close ope...
The killings in Vilnius have precipitated the worst crisis yet.维尔纽斯的几起谋杀事件导致了迄今为止最严重的危机。He lost his footing and was precipitated to the ground.他失足摔倒在地上.The accident precipitated them into the depth of adversity.意外事故使他们一下...
Certain drugs and chemicals also have been shown to decrease the activity of pseudocholine esterase.有些药物和化学制品也表明能降低拟胆碱酯酶的活性.Some, including an esterase, may be on the outside of intact lysosomus.包括酯酶的一些, 可以位于完整溶酶体的外表面.No...
The third century AD, ancient Rome, there was a tyrant called Clausius Meadows ( Claudius ).公元三世纪时, 古罗马有一位暴君叫克劳多斯 ( Claudius ).BPW 77 photo - dynatron and AD 620 meter amplifier are adopted in convert and amplify circuit...