Before charging work is started, the drill holo is plugged.
开始装药以前, 先将炮眼下端眼口堵死.
The window was an embrasure in an enormously thick wall.
窗户是个炮眼,墙壁异乎寻常的厚.
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.
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.
The rounds are definitely not particularly constricted except in the case of extremely narrow ore veins.
除了矿脉很狭窄,否则炮眼组肯定是不大受夹制的.
The fact that the drill hole openings are located under water complicates charging work.
炮眼口位于水下,无疑会使装药工作复杂化.
Our men wait until the gunner lit their matches in the cannon - port.
我们的人等到火炮瞄准手在炮眼点燃了火柴才行动.
Our men waited until the gunners lit their matches in the cannon - ports.
我们的人一直等到炮手在炮眼点燃了火柴才行动.
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.
The lower gun - ports were now below water and the inrush sealed the ship's fate.
下层炮眼已淹没在水里,涌进船舱的水给“佤萨 ” 号带来了难以逃脱的厄运.
The charge concentration in the contour holes should be as small as possible.
周边炮眼的装药集中度应当尽可能小一点.