换热器简易抽芯设备减速箱及总体设计的翻译：Simple heat exchanger gearbox and overall design of core-pulling equipment 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Gear box and the overall design of the simple core pulling device of the heat exchanger

Simple heat exchanger gearbox and overall design of core-pulling equipment

The heat interchanger simple pulls out the core equipment decelerator and the system design

Easy heat exchanger core device drop box and overall design

Simple heat exchanger gearbox and overall design of core-pulling equipment