将近百分之三十的小麦收成受到损害.Nearly 30 percent, of the wheat crop was damaged.百分之三十的农田已种上油料作物.Thirty percent of the farmland has been planted to oil crops.摘要据报告约有 百分之三 十的头皮深部烧烫伤会伤及颅骨.Skull involvement has been reported in 30 ? of de...
发言人的声音被叫嚷声盖住了，课堂一片混乱，老师们不得不好言相劝。Speakers have been shouted down, classes disrupted, teachers made to grovel.学校组织的出游能让孩子们获得在课堂上得不到的亲身体验。School trips give children firsthand experience not available in the classroom.她在课堂上嚼...
我打算用砂纸把椅子打磨光洁后重新上漆。I was going to sand down the chairs and repaint them.你要是把木器上的这些裂缝油上漆, 它们就不会那么难看了.If you paint over the cracks in the woodwork, they won't show so badly.这些无孔的表面很难以刷子上漆。These nonporous surfaces pain...
Orientation control of primary carbide in Fe - Cr - C hardfacing alloys.Fe -Cr-C 耐磨堆焊合金中初生碳化物生长方向的控制.A hardfacing electrode containing boron and various alloy elements has been developed.研制出一种含硼等多种合金元素的耐高温磨损堆焊焊条.Study of...