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... ly, it requires less preparation work and can complete a large amount of rock blasting in a short period. It is suitable for rocks of various hardness, especially in complex terrain areas like dams, where it is not restricted by construction conditions. Moreover, it does not require special drilling equipment; a drilling machine can generally be used for excavation, and anything used for deep-hole blasting can be used in chamber blasting.
Most importantly: the volume of a single blast is ...
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