在玻璃加工质量允许的条件下，玻璃制品孔加工宜选择高的切削速度、适当的外加载荷。
Under the conditions of permission of glass processing quality, the high cutting speed and suitable external load should be selected.
用两层棉布加上一层麻布车缝而成，同时具备切削及一定程度的抛光能力，主要用在预备抛光的金属制品上。
One Layer of bias sisal sewed with two layers of cotton cloth, provides it good cutting and polishing properties, mainly used for pre-polishing of metal ware.
更换不同的模具，可生产不同款式的制品，也可用于需二次加工的海绵切削。
Replacing different matched moulds to produce different patents. It also used for slicing or peeling the molded foam cups which need secondary-processing.
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