求翻译：运作方法：改变以往滑轮单线环绕的模式，采用多线环绕，不仅可以带动棘轮运作，还可以同时增加摩擦力，是产品技术核心原理之一.是什么意思？

Methods of operation: single pulley to change the past, surround mode, multi-line around, not only can drive ratchet operation, you can also increase the friction, is one of the core principles of product technology.

正在翻译，请等待...

正在翻译，请等待...

Operation method: change the previous wheel single line wrap mode, multiple line wrapping, you can not only drive ratchet operation, can also increase the friction product technology is one of the core principles.

Operation method: Change the mode that the past pulley surrounds one-way, adopt many lines to surround, not merely can drive the operation of ratchet wheel, can also increase the friction at the same time, it is one of the key principles of the products technology.