The disadvantage is lower mechanical strength, oil, solvent and acid poor, difficult to cure more expensive.
缺点是机械强度较低，耐油、耐溶剂和耐酸碱性差，较难硫化，价格较贵。
The pneumatic throttle interlocking device solvent the problems in the prior art, including inflexible shape, inconvenient installation, high cost and poor sealing property.
解决了现有的技术存在的形状不灵活、不便于安 装、成本高、密封性差的问题。
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