... recoverable VAT 应退增值税 recoverable coal 可回收的煤 Recoverable Gas 地表条件下可产出的天然气的体积 ...
基于84个网页-相关网页
可回收的煤柱 recoverable pillar
·2,447,543篇论文数据，部分数据来源于NoteExpress
针对煤矿回采巷道的特点，设计研制出适合回采巷道煤帮支护用的杆体全长可回收水泥锚固金属锚杆。
Considering the characteristics of the mine gateway, full length recoverable cement metal bolt applicable to wall support in the mine gateway was designed and developed.
youdao
应用推荐
模块上移
模块下移
不移动