| 单词 | frame pulley |
| 释义 | > as lemmasframe pulley frame pulley n. a pulley in which the wheels are mounted in a frame, rather than a block. ΚΠ 1816 National Advocate (N.Y.) 9 Nov. Consisting of the following articles, viz:—Brass commode nobs, handles and roses,..window & frame pullies. 1921 Electric Jrnl. Nov. 501/1 The real offender is the final belt from the shafting or four frame motor to the frame pulley. 2008 Washington Post (Nexis) 4 Dec. h2 Thread the free end of each cord through a frame pulley, then up around a high pulley. < as lemmas |
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