检测圆锥管螺纹基面中径的方法有很多,但测量过程复杂.There are many ways to measure base - level pitch diameter of cone - shaped thread.基面要求: 表面不应有积水 、 灰尘 、 漆膜 、 油污.The base level requirements: there should be no surface water, dust, paint, grease...
Too often he only absorbs half the information in the manual.他对于说明书上所说的经常是一知半解。This kind of material absorbs water easily.这种物质容易吸水.Dry earth absorbs water quickly.干土吸水很快....
Cagliari midfielder Andrea Capone is sifting through several Serie A offers for next season.现在以及有几家意甲俱乐部为卡利亚里的中场球员卡波内提出了报价.I stood at the foot of the collapsed tower and watched the rescue workers sifting through the deb...