根箍
Root clamp
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本文报导了18根不同套箍指标的钢管超高强混凝土短柱试件的实验研究。
The test results of the mechanical properties of 18 samples of tubular extra-high strength concrete encased in steel tubes with different confinement indices have been studied and reported.
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