pneumatic cleaning
pneumatic cleaning
[农牧林英汉词典]
pneumatic cleaningn.气流式清选
是什么意思,pneumatic cleaning的解释,pneumatic cleaning的翻译
[煤炭科技英汉词典] pneumatic cleaning
pneumatic cleaning
[农牧林英汉词典]
pneumatic cleaning是什么意思,pneumatic cleaning的解释,pneumatic cleaning的翻译
[煤炭科技英汉词典] pneumatic cleaning