... standard full V thread 正三角形标准螺纹 full-thread bolt 全螺纹栓 Full Thread FT 全螺纹 ...
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Full thread bolt 全螺纹螺栓
The high-strength right-screwing threaded steel bolt is formed by full thread reinforcing bars and cast steel nuts.
一种高强度右旋螺纹钢锚杆，是由全螺纹钢筋和铸钢螺母构成。
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