The structure, operating principle and action of mechanism of automatic sprue cutting by ejector pin in thermosetting plastics injection mould was described.

介绍了推杆自动切断浇口机构在热固性塑料注射模中的具体结构、 模具工作过程。

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Practice for Operating Xenon Arc-Type Water-Cooled Light Exposure Apparatus with and without Water for Exposure of Plastics 08.

塑料曝光用氙弧型水冷曝光仪的操作实践08。

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Dow Chemical, operating in the dull but brutal commodity-plastics market, now splits out and prices separately the add-on services that it once provided in a lump along with its products.

ECONOMIST: Pricing strategies