38.下圖爲尼氏析量器(Ney surveyor ),在部位D之名稱爲何?
 
(A)軸桿(mandrel)
(B)垂直柱(vertical column)
(C)直立管(vertical tube )
(D)析量臂(surveying arm )

答案:登入後查看
統計: A(5), B(9), C(2), D(26), E(0) #1157754