In order to provide with the functions of absorbing vibration and safety over loading, a new structure of elastic sleeve pin coupling with safety pin has been designed.
为了使弹性套柱销联轴器既保留缓冲减振功能，又具有安全保护的作用，设计了带安全销的弹性套柱销。
The hydraulic safety coupling is a patent product of Sweden in the early '80s.
液压安全联轴器是八十年代初瑞典的专利产品。
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