?阶段状伐采
... 阶段溜煤巷 main coal-water roadway 阶段状伐采 Step felling 阶段状穿孔 Scalariform perforation ...
?阶段状采伐
... 带状采伐 felling in strips 阶段状采伐 step felling 群状采伐 group method ...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。