There is an optimal filtration rate for a certain set of planning parameters, i. e., the type of dust removal equipment, dust cleaning, dust bag fabric and fabric structure.

对某一组规划参数(即环保除尘设备型式、清灰组织、除尘布袋纤维材料和织物构造、尘埃性质等)有一个最佳过滤速度。

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According to the guide type of the pole, the observation pole now used to monitor the ground settlement in Shanghai has two kinds of structure, i. e. cable guide and guide wheel.

目前监测上海市地面沉降的观测标按照标杆导正方式进行划分，主要有两种结构即钢丝绳导正式和导轮扶正式。

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The change-shaped cage is a new structure of pressed cages for E-type single row cylindrical rolling bearings.

变形保持架是一种加强型单列圆柱滚子轴承冲压保持架新结构。

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