brake drum是什么意思

网络释义

1)brake drum,制动卷筒2)web brake,卷筒纸制动器3)drum assembly,(制动)鼓[卷筒]总成4)shell rolling,筒体卷制5)drive drum,传动卷筒6)power drum,动力卷筒

New technics concerning high temperature &high pressure shell rolling;

关于高温高压汽包筒体卷制采用新工艺后的节能增效