介绍梭式矿车的主要用途和特点，梭式矿车的刮板运输机构在设计中的受力分析和确定。
The main usage and characteristics of shuttle mining car are introduced. The load design of shuttle mining car's scraper conveying mechanism is analyzed and determined.
ZT系列用途和特点：由一台主动架和一台从动架组成，用于支承和焊接园形简体类工件。
ZT SeriesUse and characteristic:Are composed by a driving frame and a driven frame, uses in supporting and the welding garden shape simplified form class work piece.
介绍了熔体齿轮泵在聚合物加工中的性能与特点，列举了用于塑料、 橡胶挤出的熔体齿轮泵的用途和特点。
The performance and feature of melt gear pump in the polymer processing was introduced, and the purpose and characteristic of melt gear pump for plastic and rubber extrusion was listed.
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