| 单词 | instantaneous cut | 
| 释义 | instantaneous cut [¦in·stǝn¦tā·nē·ǝs `kǝt]  ENGINEERING A cut that is set off by instantaneous detonators to be certain that all charges in the cut go off at the same time; the drilling and ignition are carried out so that all the holes break smaller top angles.  | 
	
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