问题: 移动式启闭机
谁能帮我翻译一下论文的摘要吗？谢谢了！
起重机是水利水电工程中的重要设备,它的功能是起吊重量较大的闸门构件。移动式起重机主要包括行走机构、起升机构、和门架。起升机构的主要部分是电动机和减速器；主梁是起重机的主要承重部件；行走机构则负责起重机的前后移动。本人主要设计了这三个部分。
解答:
The crane is a key equipment in water and electrical engineering for lifting large water gate. A moving crane briefly comprises a moving mechanism, a lifting mechanism and a gate structure. The main portions of the lifting mechanism are an electrical motor and a reduction device; the main roof is an important receiving part of the crane; the moving mechanism is adapted to moving objects back and forth. I mainly design the three parts.
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