girder chassis是什么

chassis fee是什么费用 girder和beam的区别? chassis ground是什么意思 How to translate "Chassis" into Chinese? 汽车中a bare chassis-cab是什么意思? there are some American Boys in chassis 在船体结构中,GIRDER 与 LONGITUDINAL有什么区别?还有BEAM 与 FRAME? The system intruded,chassis opened or tempered before.Please the system intruded,chassis opened or tempered before 电脑显示your chassis has been opend?如何处理? 英语翻译LCD panel,driving circuit unit ,backlight&chassis unit.T the system intruded,chassis opende or tempered before.please