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一个小问题，帮忙。
| While it moves the hooks, it is provided of, lock themselves on the steel mushroom and only during the replacing phase it is possible to unhook the container.The disposal, in fact, is provided of 'sequential' valves that feed in a sepatate way the circuit for opening/closing the hooks and the circuit for ascent/descent of the cylinder for opening/closing the container's bottom.
此句话中的provided of 和 feed 如何理解？ |
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