Place the tester adapter over the opening.把试验器连接装置放在加油口上.The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.Tester must read all zeroes.检测器读数必须都为零.Durometer harde...
Ellen's face wrinkles as if she is about to sneeze.艾伦的脸皱了起来，好像要打喷嚏。Some deep wrinkles furrow his lower forehead.他额头下方出现了几道深深的皱纹。His face was covered with wrinkles.他的脸上布满了皱纹。...
We continue the above three – phase parabola detection procedure until all the parabolas are detected.重复上述之三阶段抛物线侦测程序,直到所有抛物线均侦测完毕.Static oxidation curve is basically parabola.静态氧化曲线基本遵循抛物线规律.Parabola detection is a fund...
我们必须找到从页岩中采油的经济方法.We must find economical methods for extracting oil from shale.我们可以从页岩中提取石油.We can extract oil from shale.这个地区的灰岩 、 砂岩和页岩都是很柔软的.The limestone, sandstone and shale of this area were soft....