We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.我们现在在三维应力分析中采用四面体单元和六面体单元.Characteristics: white glossy hexahedron crystal or white crystalline powder.特性: 白色有光泽六面体结晶或白色结晶性粉末.Isop...
起出通井管柱,检查通井规擦痕.Pull out the drifting string and check the gauge for scratch.但下放前要通井,不易过快,下放到预定位置时必须有一套管接箍缝,具承上压能力小.When the bridge plug comes to desired position, there must be a casing coupling seam.广泛应用于油田用修井机 、 通井机及其它...
I've fixed it for you to see Bonnie Lachlan.你去见邦尼·拉克伦的事我已经安排好了。Bonnie twirled her empty glass in her fingers.邦妮用手指旋转着她的空杯子。Bonnie was showing off to her friends, doing handstands on the grass.邦尼向朋友们炫耀, 在草地上拿大顶....
She latched on to his arm, hooking her other arm around a tree.她拽住他的胳膊不放，另一只胳膊抱紧一棵树。Gel formation requires hooking various chains together.凝胶的形成需要把不同的链钩链在一起.Companies send him all over the world hooking up these complex ...
the bottomless pit of his sorrow他无尽的悲哀He who can suppress a moment's anger may prevent a day of sorrow.能忍一时气，可免一日优。She was portioned with sorrow throughout her life.她命中注定一辈子受苦。I had dared and baffled his fury; I mus...