14.鋸切薄鐵板,應使用何種鋸條較合宜?
(A)寬鋸齒
(B)細鋸齒
(C)粗鋸齒
(D)中鋸齒
答案:登入後查看
統計: A(6), B(50), C(10), D(0), E(0) #2081103
統計: A(6), B(50), C(10), D(0), E(0) #2081103