General bridge crane lifting trolley generally, Bridges run organization, structure and composition of metal bridge.
普通桥式起重机一般由起重小车、架桥运行机构、桥架金属结构组成。
The teacher made several general observations about my composition.
老师对我的作文笼统地作了些评论。
The teacher made several general observations about my composition.
老师对我的作文笼统地作了些评论。
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