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单词 Power block
释义

Power block

原声例句
生活大爆炸 第4季

Kenya rises to power on the export of rhinoceroses. A Central African power block is formed, colonizing North Africa and Europe.

肯尼亚会因出口犀牛而崛起 在中非成为一个强大的政权 并殖民统治北非和欧洲。

BBC 听力 2013年10月合集

Russia along with China has long used its veto power to block resolutions aimed at punishing its ally President Assad and the Syrian regime for its use of force in the conflict.

长期以来,俄罗斯和中国使用自己的否决权阻止惩罚阿萨德总统和叙利亚政权在冲突中使用武力的决议。

英语百科

Puretic power block

Puretic power blockLarge blue water tuna purse seiner. A Puretic power block can be seen at the top of the boom at the stern.
Salmon purse seiningSalmon seiner with power block 1967Closeup of the power block

The Puretic power block is a special kind of mechanised winch used to haul nets on fishing vessels. The power block is a large powered aluminium pulley with a hard rubber-coated sheave. While many men were needed for the back-breaking work of hauling a purse seine manually, the same work could be done by fewer men with a power block.

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更新时间:2025/6/23 15:59:07