分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
介绍了一种套筒型补偿器———自平衡补偿器，它可用在热力管网中消除主固定支架的盲板力。
Describes a sleeve type compensator-the self balancing compensator, which can be used in heating networks to eliminate the blind flange force on primary fixing trestles.
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