题目内容:
按国际标准(ISO6308:1980)石膏墙板推荐宽度为600mm、900mm、1200mm。下列石膏墙板的推荐长度哪组是正确的?( )
A.1500~2700mm范围内每300mm递增
B.2700~3600mm范围内每300mm递增
C.1800~3900mm范围内每100mm递增
D.1800~3600mm范围内每100mm递增
参考答案:
答案解析:
按国际标准(ISO6308:1980)石膏墙板推荐宽度为600mm、900mm、1200mm。下列石膏墙板的推荐长度哪组是正确的?( )
A.1500~2700mm范围内每300mm递增
B.2700~3600mm范围内每300mm递增
C.1800~3900mm范围内每100mm递增
D.1800~3600mm范围内每100mm递增