“balance arm”的概念、定义、翻译、参考文献-科学参考

单词	balance arm
释义	balance arm [`bal·ǝns ´ärm] ^{BUILDING CONSTRUCTION} On a projected window, a side supporting arm which is constructed so that the center of gravity of the sash is not changed appreciably when the window is opened.
随便看	multiple lamp holder multiple-length arithmetic multiple-length number multiple-length working multiple linear correlation multiple linear regression multiple-loop system multiple midstop multiple-mirror telescope multiple modulation multiple module access multiple myeloma multiple neuritis multiple neurofibroma multiple neurofibromatosis multiple openings multiple-parallel-tubing string multiple-pass weld multiple personality multiple piece rate plan multiple point multiple precision arithmetic multiple pregnancy multiple programming multiple punching

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