例句與造句

1. However, the performance of both 3.7 and 4.5-in guns was limited by their standard fuse No 199, with a 30-second running time, although a new mechanical time fuse giving 43 seconds was nearing readiness.
2. Smaller flechettes were used in special artillery shells called " beehive " rounds ( so named for the very distinctive whistling buzz made by thousands of flechettes flying downrange at supersonic speeds ) and intended for use against troops in the open  a ballistic shell packed with flechettes was fired and set off by a mechanical time fuse, scattering flechettes in an expanding cone.
3. It's difficult to find mechanical time fuse in a sentence. 用mechanical time fuse造句挺難的