It's short for Joule. A unit of power (1 watt-second) used to describe the rate of energy production. It is equal to 1 watt-second or 0.239 calorie.
01:13, 23 November 2012
MSDS: Material safety data sheet (MSDS) is a form ...
A cleaning device that uses suction to hold itself onto a ...
vertical long arrow of the engine
0
词条
词汇
6
关注者
95
10
2
51
11
1
107