shot hole

1 So it is very necessary to enhance research sanding due to rock destroyed around shot hole.

因此,加强对高含水期炮眼周围岩石的破坏导致出砂的研究显得十分必要.

2 Firstly, the locations of shot holes have to be chosen properly in the seismic survey area.

首先，在进行地震法测量的地区正确地选定爆破井的位置。

3 The depth of shot holes depends on the type of prospecting and on the local conditions.

这些爆破井的深度决取于勘探的类型和当地的条件。

4 The explosive from the lorry is delivered to the shot hole by means of a compressed air.

从卡车上直接用压缩空气将炸药装入炮眼。

5 The plastic hose should have the correct external diameter in relation to the drill hole.

塑料软管的外径应该与炮眼直径相适应。

1 炮眼

port vent porthole