coal cutting machine_能源英汉词典
coal cutting machine
[能源英汉词典]
coal cutting machinen.截煤机
是什么意思，coal cutting machine的解释，coal cutting machine的翻译
n.截煤机
coal cutting machine_能源英汉词典coal cutting machine
[能源英汉词典]
coal cutting machine是什么意思，coal cutting machine的解释，coal cutting machine的翻译
