China has a leading position in the world in production volume of H.S.S.,sintered carbide and imitation diamond.But the production level is far behind advanced countries,which was analyzed.
英
美
释义
我国的高速钢、硬质合金及人造金刚石产量均已跃居世界首位,但生产水平还远远落后于先进国家。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载