setting-out of cross line through shaft center
[煤炭科技英汉词典]
setting-out of cross line through shaft center立井十字中线标定
按设计位置及方向将立井十字中线标定于实地。
是什么意思,setting-out of cross line through shaft center的解释,setting-out of cross line through shaft center的翻译
setting-out of cross line through shaft center
[煤炭科技英汉词典]
setting-out of cross line through shaft center是什么意思,setting-out of cross line through shaft center的解释,setting-out of cross line through shaft center的翻译