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毫秒爆破
hydroel.st.
millisecond blasting
railw.
short-delay blasting
tech.
split-second blasting
毫秒爆破
又称微差爆破,相邻炮孔或药包群之间的起爆时间间隔以毫秒计的延时爆破。露天台阶爆破、地下深孔爆破、井巷掘进和回采工作面采煤爆破都广泛采用毫秒爆破。我国煤矿安全规程规定,在煤矿的采掘工作面采用毫秒爆破的总延时时间不得超过130ms,参见 short delay blasting
expl.
millisecond blasting
毫 秒 爆破
:
26 phrases
in 3 subjects
Engineering geology
1
Explosives and Explosive Ordnance Disposal
19
Technology
6
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