开始装药以前, 先将炮眼下端眼口堵死.Before charging work is started, the drill holo is plugged.窗户是个炮眼,墙壁异乎寻常的厚.The window was an embrasure in an enormously thick wall.所有的炮眼都开着,炮口不怀好意地从炮眼里向外窥探.All gun - ports were open and the muzzles pee...
The ball which hung the roof is compound pendulum.悬挂在墙上的钟来回摆动.Enclosed the folowsheet of Alltech two - chamber pendulum - type solution and dosing plant Continufloc.附:Alltech两箱摆式加药装置流程图.The political pendulum has swung i...