A.俯焊
B.平焊
C.横焊
D.立焊
E.仰焊
A.俯焊
B.平焊
C.横焊
D.立焊
E.仰焊
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602557778.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602574380.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602596213.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/170538860266277.png">
A.27.1
B.29.4
C.30
D.32
A.0.5
B.1
C.1.5
D.2
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602402731.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602422259.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602440528.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240116/1705388602468158.png">
A.避免螺栓杆受剪破坏
B.螺栓杆受弯破坏
C.板件受挤压破坏
D.板件端部冲剪破坏
A.螺栓的预拉力
B.螺栓杆的抗剪
C.孔壁承压
D.板件间的摩擦阻力
A.4mm
B.7mm
C.10mm
D.14mm
A.避免应力集中
B.确保结构强度
C.提高焊接质量
D.方便运输