The plugs have three round pins arranged in a triangle, ...
This type is mainly used in USA,Canada,Mexico and Japan.The ...
Phase refers to the windings of an AC generator. In a ...
MSDS: Material safety data sheet (MSDS) is a form ...
Drop in voltage levels of electrical distribution system ...
is an innovative gadget that generates electricity ...
0
词条
词汇
3
关注者
6
41
4
51
1
40
58