What is the max speed of inspection frame when checking defect points:
选项:
A:No more than 20 yards per minute
B:No more than 18 yards per minute /no more than 20meters per minute
C:No more than 20 yards per minute / no more than 18meters per minute
D:No more than 18 meters per minute
发布时间:2024-06-11 10:18:15