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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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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