... 单向行车：one way traffic 单向开采：unidirectional working 单体支柱：single prop ...
基于106个网页-相关网页
... 单层工作面 single bench 单翼工作面 indirectional working; unidirectional working 独头工作面 airless end; dead face ...
基于4个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield.
本文将着重介绍真空熔化氩气保护连续定向凝固设备的结构特点及工作原理。
youdao
应用推荐
模块上移
模块下移
不移动