pipe reducing bushing 缩小管径的衬套
The membrane type biological reactor feature its increased hollow-fiber porous membrane assembly, which has adhesive layers at two ends and is packed on or inside plastic pipe by sealing bushing.
膜式生物反应器，特点是在生物反应器上增设中空纤维微孔膜组件。该膜组件两端设胶层，用封头衬套将其封装在塑料管上或管内。
The frame applies the square and hollow iron pipe so that the height and width of the vertical bushing and transverse bushing at the two sides can be telescopically adjusted.
该框架采用方型空心铁管，两侧竖向、横向套管均可伸缩调节高度、宽度。
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