“back balance”的概念、定义、翻译、参考文献-科学参考

单词	back balance
释义	back balance [`bak ¦bal·ǝns] ^{MINING ENGINEERING} 1. A kind of self-acting incline in a mine. 2. The means of maintaining tension on a rope transmission or haulage system, consisting of the tension carriage, attached weight, and supporting structure.
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