1) Multi-rows millisecond blasting at large region
大区多排微差爆破
2) Large area multiple-row blast hole short-delay blasting
多排孔大区微差爆破
3) Multiple-row delay blasting
多排微差爆破
4) multi-row millisecond blasting with the same interval taken for every double-row
双排同段多排微差爆破
1.
Experimental study on the programme of "multi-row and multi-direction cutting" and "multi-row millisecond blasting with the same interval taken for every double-row;
多排多向掏槽双排同段多排微差爆破试验研究
5) row between millisecond blasting
排间微差爆破
6) multi-interval-time in millisecond blast
多段微差爆破
1.
Then,6 sets of blasting vibration signals of multi-interval-time in millisecond blasts are analyzed by u.
根据爆破振动信号具有短时非平稳的特点,利用小波包分析技术对满足分析要求的多段微差爆破振动信号的能量分布特征进行研究。
补充资料：大区
1.指天空。 2.大行政区的简称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条