短語(yǔ)詞組短語(yǔ)high -strength bolt pulling force 高強(qiáng)螺栓預(yù)拉力Through high -strength bolt 穿芯高強(qiáng)螺栓large -diameter high-strength bolt 大直徑高強(qiáng)度螺栓big hexagonal high -strength bolt 大六角頭高強(qiáng)螺栓 返回 high-strength bolt