M12连接器CO12.2-2CO12.21-2CO12.22-2CO12.3-2CO12.3-2/LCO12.4-2CO12.4-2/LCO12.5-2CO12.8-2CO12.2-2/PCO12.21-2/PCO12.22-2/PCO12.3-2/PCO12.3-2/L/PCO12.4-2/PCO12.4-2/L/PCO12.5-2/PCO12.8-2/PC12.2-2C12.21-2C12.22-2C12.3-2C12.4-2C12.5-2C12.8-2C12.2-2/PC12.21-2/PC12.22-2/PC12.3-2/PC12.4-2/P)