基本释义:

向承包商下达指令

网络释义

1)instruction to contractor,向承包商下达指令

2)contractors request for an instuction,承包商请求指令

3)send down the instruction,指令下达

4)Subtier Contractor,下家承包商

5)directional drilling contractor,定向钻井承包商

6)Command Made Known to the Lower Levels,上令下达