A.$tw/ho$
B.$tw/2ho$
C.$ho/tw$
D.$2ho/tw$
A.$tw/ho$
B.$tw/2ho$
C.$ho/tw$
D.$2ho/tw$
A.$h_w$表示腹板的高度
B.$t_w$表示腹板的厚度
C.$h_w$表示腹板的厚度
D.$t_w$表示腹板的厚度
A.25
B.50
C.75
D.100
A.31.8
B.50
C.43.1
D.25
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.27.1
B.29.4
C.30
D.32
A.100mm
B.250mm
C.150mm
D.300mm
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.试拧和终拧
B.初拧和终拧
C.预拧和终拧
D.冲钉连接和终拧