Digging

基本解释杆头击中地面

网络释义

1)Digging['diɡiŋ],杆头击中地面2)Ground address,杆头触地3)ground impact,地面冲击4)Club face,棒头击球面5)SOCKET,以杆头根部击球6)surface jar,地面震击器

Development and application of new surface jar;

一种新型地面震击器的开发与应用

The common surface jar cannot realize the normal resetting due to small hook weight in the shallow well below 3000 m.

针对某些3000m以内的浅井,因大钩悬重小,采用常规地面震击器无法实现正常复位的问题,研制了一种新型地面震击器。