原帖由 cqfblue 于 2009-1-9 21:19 发表 <img file="http://bbs.hcbbs.com/images/common/back.gif" onload="thumbImg(this)" alt="" />
Anti-Condensation Heaters
All motors in excess of 5 kW shall be provided with heating devices to prevent condensation
during periods of idleness.
Heaters shall be of a fully insulated design, lon ...