air pick, pneumatic pick
[铁道科技英汉词典]
air pick, pneumatic pick风镐
是什么意思,air pick, pneumatic pick的解释,air pick, pneumatic pick的翻译
[煤炭科技英汉词典] air pick, pneumatic pick
air pick, pneumatic pick
[铁道科技英汉词典]
air pick, pneumatic pick是什么意思,air pick, pneumatic pick的解释,air pick, pneumatic pick的翻译
[煤炭科技英汉词典] air pick, pneumatic pick