正文除去序言、补遗 、 索引和附录的书或文献的主要部分.The content of a book or document exclusive of prefatory matter, codicils, indexes, or appendices.于1923年发表论文 《 动物粪线虫之形态学补遗 》.Papers published in 1923, " Animal manure worm's morphology Ad...
介绍了石油钻杆端部镦锻加厚工艺基本原理及加厚方式.The basic principle and the method of oil drill pipe end upsetting process were presented.本文介绍了先进的TR镦锻法制造曲轴毛坯的工作原理.The paper introduces the working principle in making crankshafts by using advanc...
The weather forecast is for showers and overcast skies...天气预报上说多云并伴有阵雨。The day is overcast and humid.天气多云潮湿。It was muggy and overcast.天气闷热潮湿，而且天色阴沉。The weather forecast is for showers and overcast skies.天气预报上说多云并伴有阵雨。The...