At the top of the stairs stood the white-coated doctors.一群穿着白大褂的医生站在楼梯顶上。TV pictures showed a dying bird coated with oil.电视画面上出现了一只身上沾满油污、奄奄一息的小鸟。The pistons are graphite-coated to reduce friction.活塞上涂了一层石墨以减小摩擦力。...
Grohal belong to the coated paper series, the munltivariable uniform, fibrous tissue.轻涂纸属于涂布纸序列, 其纤维组织均匀, 厚薄一致.The process of preparing a printing surface for electrotyping engraving on a wax - coated metal plate.印刷版面准备用...