发布时间:2025-01-17 17:57:44
固定支座不能动,固定铰支座可以转动。固定支座是完全固定在墙上,在镶嵌的连接处,不能水平移动或者转动,固定铰支座使用销钉固定,构件与支座之间用铰链连接,构件不能水平或者垂直的移动,但是可以以销钉为中心作为接触点来进行转动。固定铰支座是有水平和垂直的约束反力外,但是在固定支座上比铰支座要多一个约束反力偶。
eirmai47锐玛 r200 数码单反相机安全箱多功能收纳箱
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