机械零件 - 2026 进行中
1000 ₸
科目: 机械零件 级别: VIII
类别: 大学生
测试题目: 英语
问题示例: A spur gear has 32 teeth and a module of 2.5 mm. What is its pitch-circle diameter? 12.8 mm, 80 mm, 34.5 mm, 128 mm
级别: VIII
类别: 大学生
测试题目: 英语
问题示例: A spur gear has 32 teeth and a module of 2.5 mm. What is its pitch-circle diameter? 12.8 mm, 80 mm, 34.5 mm, 128 mm