drill support的意思|示意
钻床支座
drill support相关短语
1、 pneumatic drill support 凿岩机气腿
2、 pneumfound onic drill support 凿岩机气腿
3、 drill spindle support 钻轴支架
4、 left support of drill floor 钻台左支架
5、 right support of drill floor 钻台右只架
6、 Support for fire drill 工厂消防演练