common oil公用油系统commonadj.常见的；共同的；普通的；平常的；平凡的；粗俗的n.公地；平民；普通；公园Common Cold/acup-mox ther感冒／针灸疗法common-address multiple line公共地址复用线Common-frame vertical launch共架垂直发射common frequency broad casting同频广播Common Communications Services公用通信处common universitie' s teachersCommon Supply Support Overseas海外通用补给支援common-rail injection system共轨喷射系统common signs and short notices标示语common baterial blight of bean四季豆细菌性疫病

1. Commonly used as stem material in pressure-rated valves, silicon bronze has greater resistance to stress corrosion cracking than common brasses.
   通常用作额定压力阀门的阀杆材料的硅青铜比普通黄铜具有更好的抗应力腐蚀裂纹的性能。