mousehole drilling是什么意思

网络释义

1)mousehole drilling,钻小鼠洞2)rat holing,钻鼠洞;钻井底洞3)Mouse hole,小鼠洞(油)4)mouse hole,小鼠洞5)dilly hole,方钻杆鼠洞6)rat hole,放方钻杆用鼠洞