• The paper introduces in detail the working principle and make-up of the hydraulic synchronisation lifting device for lifting a high portal crane and gives an overall analysis of its hydraulic system.

    文章详细介绍了超大型高架座式起重机液压同步设备工作原理液压系统组成液压系统进行了较全面分析

    youdao

  • Next up, you'll find flying animals and great ideas for insect lovers, so you'll soon catch the origami bug and want to make the dragonfly or crane.

    接下来发现飞行动物昆虫爱好者伟大的想法这样很快会赶上折纸错误希望使蜻蜓起重机

    youdao

  • Next up, you'll find flying animals and great ideas for insect lovers, so you'll soon catch the origami bug and want to make the dragonfly or crane.

    接下来发现飞行动物昆虫爱好者伟大的想法这样很快会赶上折纸错误希望使蜻蜓起重机

    youdao

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