71.一條 12 號(French size)的氣道抽吸管,其外徑約為多少 mm?
(A)15
(B)12
(C)8
(D)4
答案:登入後查看
統計: A(62), B(54), C(104), D(135), E(0) #1382995
統計: A(62), B(54), C(104), D(135), E(0) #1382995
詳解 (共 1 筆)
#1590476
(12/2)-2=4mm
9
3