[ 第三人称单数 parbuckles 现在分词 parbuckling 过去式 parbuckled 过去分词 parbuckled ]
parbuckle screw 松紧螺丝
N a rope sling for lifting or lowering a heavy cylindrical object, such as a cask or tree trunk 套拉索
V to raise or lower (an object) with such a sling 用套索升降物体
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