A、315mm*226mm*54mm
B、318mm*229mm*57mm
C、319mm*225mm*57mm
D、320mm*229mm*55mm
答案:C
A、315mm*226mm*54mm
B、318mm*229mm*57mm
C、319mm*225mm*57mm
D、320mm*229mm*55mm
答案:C
A. ①2mm
B. ②3mm
C. ③5mm
D. ④6mm
A. ①3mm
B. ②5mm
C. ③8mm
D. ④10mm
A. 318x226x54mm
B. 318x229x57mm
C. 315x226x54mm
D. 316x229x54mm
解析:组装时车钩尾部与前从板间、缓冲器或后从板与钩尾框间不得加装工艺垫。