doodlebug

EXT-70 extruder is a special device used to produce explosive wire for seismic explanation and pigtail for geophone array.

EXT-70挤出机是生产地震炮线、检波器组合软电缆的专用设备。

strip-borer drill

露天矿水平炮眼钻机

Blasthole logging and supervision of blasthole sampling.

记录炮眼数据，并监督炮眼采样工作。

dazzling sunlight [diamonds]

耀眼的阳光 [钻石]

To bore(a shaft) with a trepan.

钻用钻井机钻（矿井）

"Shells have no eyes.

“枪炮是没有眼睛的。

The lower gun-ports were now below water,

下层炮眼已淹没在水里，

millisecond round

迟发毫秒爆破炮眼组

perforation compacted zone

炮眼四周挤压密实层

solidly packed tunnel

充填密实的炮眼孔道

permeability of tunnel fill material

炮眼充填材料的渗透率

partially sand packed perforation

地层砂部分充填的炮眼

shotgun marriage [ wedding ]

【采矿】不平衡爆破的炮眼

He says all he has to do is turn around.

爸爸说，他打炮眼呀，打炮眼呀，一扭头就看见我了!

All gun-ports were open and the muzzles peeped wickedly from them.

所有的炮眼都开着，炮口不怀好意地从炮眼里向外窥探。

high-thrust drill

强力钻机，高推力钻机

The most obvious part of a drilling rig is called“ a derrick”. It is used to lift sections of pipe, which are lowered into the hole made by the drill.

钻机中最显眼的部件叫“井架”，井架用来吊升分节油管，把油管放入由钻头打出的孔中。

mobile troops, artillery, etc

机动部队、 炮兵等

on which it drilled an exploration well at the end of 1997, and is pursuing other interests.

并于1997年年末开钻了一眼探井，此外也在寻求其它业务机会。