strike board, strike tree
strike board, strike tree
[煤炭科技英汉词典]
strike board, strike tree卸矸台
曾称“翻矸台”。开凿立井时,专为吊桶卸矸,在井口上方设置的结构物。
是什么意思,strike board, strike tree的解释,strike board, strike tree的翻译
strike board, strike tree
[煤炭科技英汉词典]
strike board, strike tree是什么意思,strike board, strike tree的解释,strike board, strike tree的翻译