| 释义 | 
		spanners是spanner的复数 spanner美 ['spænər]  英 ['spænə(r)]  - n.扳头;【建】(桥梁的)交叉支撑;用指距测量的人
 - 网络螺丝扳手;钳子;通用扳手
 
 n.  | 9. 〔英国〕(螺钉)扳钳,扳子,扳头;【建筑】(桥梁的)交叉支撑,横拉条 9. 〔英国〕(螺钉)扳钳,扳子,扳头;【建筑】(桥梁的)交叉支撑,横拉条  |  
 n.  | 1. a wrench with a hook or pin at one or both ends of the head for engaging corresponding notches or holes on the object to be turned 2. a tool with fixed or movable jaws, used to seize, turn, or twist objects such as nuts and bolts. 3. a metal tool that you use for turning small pieces of metal called nuts to make them tighter  |  
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