rod pass meaning in English
线材孔型
线村孔型
Examples
- Electromechanical relays have a coil of wire with a rod passing through the middle ( forming an electromagnet ) , an armature mechanism , and one or more sets of contacts
机电式继电器有一个中间穿过一根金属棒的线圈（形成一个电磁铁） 、一个枢轴机构和一组或多组触点组成。