It was not the ordinary, gnawing kind, but a great faintness, a palpitation at the pit of the stomach that communicated itself to all his body.
这不是那种寻常的、胃很疼的饥饿感觉，而是一种极度的衰弱，一种心口悸动，传遍全身的感觉。
The ordinary method of room-blasting is presented, and it is proved that room-blasting still has practical value to open pit provided it is reasonablely changed.
叙述了药室爆破的一般方法，并论述了通过合理改造，药室爆破在露天矿山生产中仍然具有实用价值。
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