一起答
单选

碗扣式(重型脚)手架的组合形式是()。

  • A.0.9m(或1.2m)*1.2m*1.8m
  • B.1.8m*1.2m*1.8m
  • C.2.4m*1.2m*1.8m
参考答案
查看试卷详情