For casting, forging and machining pressure, every production of a specific shape of the workpiece, even a spare parts, almost have to spend the high cost of processing.
对于铸造、锻造和压力加工，每一个要生产的具体工件形状，即使是一个零件，几乎都要花费高额的加工费用。
Four major rolls workshop is the core machining workshop of corrugated rolls, pressure rolls, glue rolls and doctor rolls.
四大辊车间是京山轻机的核心部件生产加工车间，瓦楞辊，压力辊，涂胶辊和匀胶辊均在这里加工成型。
Pressure with brass called machining deformation of brass.
压力加工用的黄铜称为变形黄铜。
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