零锯料角木工锯子
zero degree side clearance angle woodworking saw
木工锯类机床
woodworking sawing machines
泥瓦和木工工具
tool for masonry & carpentry
tool for masonry & wood working
《房屋署土木工程设计手册》
housing department civil engineering design manual
《土木工程管理手册》
Project Administration Handbook for Civil Engineering Works