题目内容：
A.1
B.4/3
C.5/3
D.5/2
参考答案：
选择题：A.1 B.4/3 C.5/3 D.5/2
- 题目分类：公用设备师
- 题目类型：选择题
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A.1
B.4/3
C.5/3
D.5/2
A.1
B.4/3
C.5/3
D.5/2
A.14.6mm B.18.4mm C.54.2mm D.61.9mm
A.14.6mm
B.18.4mm
C.54.2mm
D.61.9mm
A.23%～32% B.33%～42% C.43%～52% D.53%～62%
A.23%～32%
B.33%～42%
C.43%～52%
D.53%～62%
A. B. C. D.
A.
B.
C.
D.
A.0 B.9π C.3π D.
A.0
B.9π
C.3π
D.