| 单词 | shear-boom | 
| 释义 | > as lemmasshear-boom   shear-boom  n. Logging (see quot.). ΚΠ 1905    Terms Forestry & Logging (Bull. U.S. Dept. Agric., Bureau Forestry, No. 61) 46  				Shear boom, a boom so secured that it guides floating logs in the desired direction. < as lemmas | 
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