This paper describes electrosparking machine controller with 8031 SCP and it's implementation of software and hardware. 介绍由8031单片机组成的电火花成型机床控制器及其软、硬件配置.
The iron teakettle was hissing splendidly over live coals...煤火烧得正旺，上面的铁茶壶嘶嘶地响个不停。The steam escaped with a loud hissing noise.蒸汽大声地嘶嘶冒了出来。To pronounce with a hissing sound ; make sibilant.用初始的齿擦音发出.The iron teakettle was ...
The offenders lapsed into a sullen silence...那些冒犯者都闷不作声了。I was served by a sullen-faced youth.一个闷闷不乐的年轻人接待了我。Bob looked pale and sullen.鲍勃脸色苍白，闷闷不乐。He looked up at the sullen sky.他抬头看了一眼阴沉的天空。All my attempts to amuse the...