... grease-graphite mo(u)ld ==> 润滑脂石墨混合物 grease-making ==> 润滑脂制造 grease-making plant ==> 润滑脂工厂 ...
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grease-making plant 润滑脂工厂
The variations of compositions in pigskin in leather making were described. The main compositions are protein, water, grease or oil and ash.
介绍了猪革制造过程中，其中所含胶原蛋白及化学成分的重量变化情况。
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