单词 | 支臂 |
释义 | DEFINITIVE EXAMPLES 权威例句〔cherry picker〕A mobile crane having a maneuverable vertical boom, at the top of which a passenger can do such work as tree pruning and street-light maintenance.移动升降台:一种可移动的具有可调的垂直支臂的升降台架,人可站在顶部做剪树枝和修路灯等工作美国传统 |
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