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。
When collision occurs, the air bag deforms and the air pressure in the bag is raised up to suck the most of collision energy, ensuring high safety.
撞车时，由于密封气囊自身的变形和其内的气压升高而大量吸收撞车能量，从而达到减小汽车的受损和保护司机和乘客安全的目的。
The principle of ultra - high pressure hydraulic tube expanding technology for liquid bag type expander is addressed in this article anddeveloping process for this new equipment has been discussed.
本文论述了液袋式超高液压胀管技术的原理和液压胀管新设备的开发。
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