短語(yǔ)詞組短語(yǔ)threaded stay bolt 螺紋拉撐螺栓threaded bolt break 螺栓斷裂unified fine threaded bolt 統(tǒng)一細(xì)螺紋螺栓unified coarse threaded bolt 英美統(tǒng)一制粗螺紋螺栓;統(tǒng)一粗螺紋螺栓threaded bolt -threaded hole 螺紋螺栓bolt threaded full length 滿螺紋螺栓Plastic bolt and threaded axis 塑料螺帽及牙軸lastic bolt and threaded axis 塑料螺帽及牙軸Plastic bolt and threaded axic 塑料螺帽及牙軸 返回 threaded bolt