机箱:这些碎片都是从优质的调质的板材热切而成的。
Racks: These pieces are flame-cut from very high quality quenched and tempered plates.
研制了用于曲轴调质的悬链炉,从而更新了主要的热处理设备。
The catenary suspension furnace for quenching and tempering of the crankshafts has been successfully developed, and thus main heat treatment equipment has been renewed.
我们的全部产品都是强调质量。
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