A method for gathering and purifying the oil smoke which was produced by oil quenching tanks and tempering in the whole-sealed and constant-temperature heat treatment plant was introduced.

以一个全封闭恒温车间内热处理油烟的收集与净化为例，介绍了井式淬火油槽和井式回火炉中所产生油烟的收集与净化方法。

youdao

The principle for the oil-quenching and tempering technology of two high chromium martensitic stainless steels is introduced.

介绍两种高铬马氏体不锈钢的油淬火回火工艺原理；

youdao

An Analysis on Fatigue Fracture of Oil-Suck-Rod of Non- Quenching and Tempering Steel;

采用扫描电镜等手段分析了断裂活塞，结果表明活塞断裂的性质属于疲劳断裂。

youdao

Yet some analysts are tempering their short-term outlook for silver, noting that the rise in crude oil prices could limit the gains in the industrial precious metals.

FORBES: METALS OUTLOOK: Higher Gold Prices Seen For Next Week As Iran Tensions Lend Support