油压锤 meaning in English
hydraulic hammer
Examples
- Under the ordinance , construction activities are grouped into two categories and are controlled by means of a system of construction noise permits : general construction work for example , excavation , renovation , road work ; and
条例将建筑工程分为两类，并透过签发建筑噪音许可证的制度来管制a一般建筑工程例如挖土装修及道路工程及b撞击式打桩工程例如使用油压锤或吊锤。