问题补充:
1.[单选题]双层道床宜按垫层厚度铺足,单层道床铺设厚度宜为( )。A.100~150mm B.100~200mm C.150~200mm D.150~250mmABCD
答案:
参考答案:C
参考解析:无
双层道床宜按垫层厚度铺足 单层道床铺设厚度宜为()。A.100~150mmB.100~200mmC.150~200mmD.150~250mmABCD参
时间:2024-01-07 07:16:21
1.[单选题]双层道床宜按垫层厚度铺足,单层道床铺设厚度宜为( )。A.100~150mm B.100~200mm C.150~200mm D.150~250mmABCD
参考答案:C
参考解析:无
双层道床宜按垫层厚度铺足 单层道床铺设厚度宜为()。A.100~150mmB.100~200mmC.150~200mmD.150~250mmABCD参