The damage factors are mostly poor equipment, low or high pressure bag, the bag from the top blowing in the porous plate or dust cover, eventually friction damage.

破损因素是大都为设备不良，袋口小或压差过高，使滤袋脱离多孔板顶在喷吹管或除尘器盖板上，终究磨擦破损。

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All the Y-type valves are provided with sealing plates, in particular, the "floating" sealing plates which are fixed to the surface of the manifold box by the air pressure in the bag.

所有Y型阀的装配方式都配有密封垫，特别是“浮动”密封垫利用分气箱内的空气压力固定在分气箱表面。

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This paper analyzes the existing various pressure filters, points out their shortcomings, and develops a new series connected bag accumulator.

本文对目前各种压力滤波器进行了分析，指出它们存在的缺陷，并开发设计出一种新型串联囊式蓄能器。

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But that looks optimistic as pressure groups have made the throwaway bag a symbol of the throwaway society and even the Daily Mail is campaigning to get them banned.

BBC: Harrabin's Notes: Pay on plastic

Other U.S. data issued Thursday was a mixed bag, but overall the fresh economic data helped to pressure the U.S. dollar index, which in turn helped to boost gold and silver.

FORBES: P.M. Kitco Metals Roundup: Gold Ends Higher amid Bullish "Outside Markets"

But the lack of buying pressure in stocks over the last couple of weeks shows that investors are still breathing into a paper bag right now.

FORBES: 5 Rocket Stocks Signaling 'Buy' This Week