... roll to each side 两侧摆动 rope for practice 练习用绳 rope with cork float 浮线 ...
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rope for practice
练习用绳子
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For foe breakdown of the steel rope mine, that can effect its reliability, the paper discusses the problem from the theory and practice, and gives some measures to ensure its reliability.
就矿用钢丝绳由于断丝而影响其使用可靠性问题，从理论和实际上进行了探讨，并提出进一步确保其可靠度需采取的措施。
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