1) screed extensions control solenoid valve

样板[匀平器]延长控制电磁阀
2) screed extension solenoid valve

样板[匀平器]延长电磁阀
3) screed extensions control

样板[匀平器]延长控制
4) screed counterbalance solenoid valve

样板[匀平器]平衡电磁阀
5) screed extension slope control

样板[匀平器]延长斜度控制
6) screed extensions control group

样板[匀平器]延长控制组件
参考词条