A.工程設(shè)計(jì)和監(jiān)理B.工程設(shè)計(jì)和項(xiàng)目施工C.項(xiàng)目施工和監(jiān)理D.初步設(shè)計(jì)和項(xiàng)目施工
A.固定式B.粘貼式C.可卸式D.埋入式
A.焊接球節(jié)點(diǎn)B.螺栓球節(jié)點(diǎn)C.連接片D.鉚釘