péng zhàng luó shuān
- expansion anchor bolt
- expansion bolt
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curial,
Curie,
Curie point,
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膨胀管,
膨胀计,
膨胀节,
膨胀扩张,
膨胀力,
膨胀螺栓,
膨胀螺丝,
膨胀石墨,
膨胀水箱,
膨胀物,