two-men portable digger的意思|示意
美 / /
英 / /
双人便携式挖掘机
two-men portable digger的网络常见释义
双人手提式挖坑机 ... 数式平分法 formula method of periods by area and volume combined 双人手提式挖坑机 two-men portable digger 双竖沟环割 double-frill girdle ...