Pots, pans, kettles and mops are kitchen utensils.锅 、 盘 、 壶及拖把是厨房用具.These kettles are all copper.这些水壶全是铜的.These aluminium kettles have been marked down ten percent because of minor flaws.这些铝壶因为有些小毛病而减价百分之十....
A high - power diode laser power supply controlled by microprocessor is presented.介绍了一种利用单片机控制的大功率半导体激光驱动电源.This paper describes the principle of microprocessor ultrasonic range finder.主要介绍微电脑超声测距仪的工作原理.A Control System ...
Students have played an important role in the past, but for the moment, they're on the margins.学生过去曾经发挥了重要的作用，不过现在他们变得无足轻重了。Margins of inline - block elements do not collapse ( not even with their in - flow children...