1)driving nut,主动螺帽2)main screw cap,主螺帽子3)feed rock shaft screw nut,牙档主头螺丝帽4)nut,螺帽5)driving spindle;driving screw;driving screw spindle,主动螺杆6)needle bar connecting link hinge screw nut,牙齿架主头螺丝帽
用法例句
Taking the industry electric appliance cap nut as an example, introduced one kind ejection method with rotation mechanism, this mold structure is simple, the craft workability was good, raised mold\'s production efficiency.