双管四十毫米火炮装置上的五名炮手被打中了.Five men in a twin - forty mount had been hit.介绍了一种双管正激变换器的LCD箝位电路,该电路实现了初级开关的零电压关断.The authors proposes a two - transistor forward converter with a LCD clamping circuit.双管 - 一条用于蒸汽供应,另一条用于凝结水回流.Two ...
At last, some suggestions were raised for the concrete backfill mining.最后对具体的充填开采方法提出了建议.This article is good for promotion of backfill.本文对充填技术的推广,具有一定的参考价值.The upward drift stoping with backfill is a mining method with ...
...a firework display.焰火表演The gala culminated in a firework display.晚会以大放烟火告终....a dazzling firework display which rounded off a lovely day...为美好的一天画上圆满句号的绚烂烟花A man's heart is a firework that once in its time heaven...