The bearing capacity of expansion bolts is lower than chemical-fixing bolt, but it is economical.

膨胀螺栓与化学螺栓和化学植根螺栓强度虽然较低，但其经济性非常好。

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The bearing capacity of expansion bolts is lower than chemical-fixing bolt, but it is economical.

膨胀螺栓与化学螺栓和化学植根螺栓强度虽然较低，但其经济性非常好。

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