I told roger the other day that I could buy my own shop vac , but I liked the interaction with him .
我告诉罗杰,哪一天我就自己去买一个了,但我喜欢这样和他交流。
A better choice is a can of compressed air , an air compressor set to a low psi or a wet / dry shop vac .
一个较好的选择是一个压缩空气罐,设定为较低的气压或是抽湿。
All of this electrical power has also been decentralized on the 787 with remote power distribution units located in different parts of the airplane . And the 787 electrical system is dominated by a higher power , 235 volts alternating current system instead of the more traditional 115 vac system .