Terms for subject Shipbuilding containing boom

English	Chinese
boom bracket	吊杆支架
boom rigging	吊杆索具
boom test certificate	吊货杆试验合格证书
crane boom	起重机起重臂
telescoping-boom crane	伸缩式吊杆起重机
telescoping-boom crane	吊杆伸缩式起重机