How many people can go to the event
A: 150
B: 250
C: 300
D: 350
A: 150
B: 250
C: 300
D: 350
举一反三
- 弹簧钢的回火温度一般在____范围 A: 250~350℃ B: 200~300℃ C: 150~250℃ D: 300~400℃
- How many people will attend the event A: 4 B: 9 C: 12 D: 80
- 弹簧钢淬火后一般采用()温度回火。 A: 150~250℃ B: 300~350℃ C: 350~400℃ D: 400~500℃
- In a Latin square design, if there are 5 treatments with 6 repeat observations, how many observations in total can we get? A: 30 B: 150 C: 180 D: 250
- 焊条的长度250~300mm、450~700mm和() A: 350~450mm B: 350~400mm C: 300~400mm D: 150~200mm