欧松板是大芯板的替代产品,其甲醛释放量远低于大芯板.
参考答案:对
We will be at 10 Baker Street at six o’clock, and we ______ seeing you there.
A.look out for
B.look for
C.look forward to
D.look down upon
对于t2火灾的类型,国际标准《火灾安全工程第4部分:设定火灾场景和设定火灾的选择》IS0/TSl6733,根据火灾增长系数a的值,定义了4种标准t2火灾:慢速火、中速火、快速火和超快速火,其中快速火火灾增长系数a的值为()KW/s2。
A.0.1876
B.0.0469
C.0.01172
D.0.00293