每台搅拌楼在投入生产前,必须进行标定和试拌。( )
A. 对
B. 错
低温或高温天气施工时,拌和物出料温度宜控制在15~35℃。( )
A. 对
B. 错
间歇搅拌楼搅拌精确度高于连续楼,弃料少,宜优先选配间歇搅拌楼。( )
A. 对
B. 错
Gagné's contributions do not include?
A. Four primary stages of developmendevelopmet
B. Five categories of learning outcomes.
C. Eight learning hierarchy.
D. Nine events of instruction.
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