... 单向行车：one way traffic 单向开采：unidirectional working 单体支柱：single prop ...
2
?单翼工作面
... 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 ...
双语例句
1
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield.