... coalman 煤商 coal-master 煤矿主 coal-mining 煤矿业的 ...
基于184个网页-相关网页
Coal Master 挖煤大师 ; 煤矿主
The Coal Master 职业
coal filled polyolefin master batch 煤粉填充聚烯烃母料
Stainless steel column, no spark cutter, scraper to be strengthen development, master some of the coal mining equipment spare parts re-manufacturing technology with a strong production capacity.
不锈钢立柱、无火花截齿、刮板机整体强化等产品研发，掌握了部分煤矿设备零部件的再制造技术，具备了较强的生产能力。
youdao
应用推荐
模块上移
模块下移
不移动