A、(A)3000mm
B、(B)4000mm
C、(C)5000mm
D、(D)6000mm
答案:C
A、(A)3000mm
B、(B)4000mm
C、(C)5000mm
D、(D)6000mm
答案:C
A. (A)5~10mA
B. (B)50mA
C. (C)500mA
D. (D)1A
A. (A)双曲柄
B. (B)导杆
C. (C)双滑块
D. (D)曲柄滑块
A. (A)AC200A
B. (B)AC210A
C. (C)AC220A
D. (D)AC230A