straight drill的意思|示意
直柄钻头，直钻头
straight drill相关短语
1、 straight shank drill 直身钻嘴,直柄钻头,直柄钻,柱柄麻花钻头
2、 straight flute drill 直槽钻头
3、 straight fluted drill 直槽钻,直槽钻头,直槽钻英语
4、 slow-helix straight shank drill 小螺旋角直柄钻头
5、 straight drill straight shank bit 直柄钻头
6、 straight shank twist drill 直柄麻花钻,无头钢钻
7、 straight twist drill 直柄麻花钻
8、 light straight air drill 小型直柄气钻
straight drill相关例句
You see, companies used to drill for oil by going straight down.
你瞧，过去石油公司常常采用垂直钻探石油。
You see, oil deposits can stretch for miles - but when a drill went straight down, the well was only tapping oil from the immediate vicinity.
你瞧，石油储备区可能延绵数英里，但是当钻头直接垂直钻入时，油井只会利用到邻接区域的石油。
You see, companies used to drill for oil by going straight down.
你瞧，过去石油公司常常采用垂直钻探。