提供各种耗材：如机用扎钞纸、手工扎钞纸、捆钞绳、捆钞带、练功卷等产品。
Provide various supplies: such as note-paper binding machine, manual bundle note paper, note tied rope, tied note band practice volume and other products.
摘要介绍1种直重机械中的无限行程单卷盘回转型绳槽耦合式负载自锁制动提升机的设计思想、工作原理和结构形式。
This paper presents design thinking, operation and structure of a load self - locked brake type elevator which features endless stroke, single sheave and rope - groove friction.
摘要介绍1种直重机械中的无限行程单卷盘回转型绳槽耦合式负载自锁制动提升机的设计思想、工作原理和结构形式。
This paper presents design thinking, operation and structure of a load self - locked brake type elevator which features endless stroke, single sheave and rope - groove friction.
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