A.強度 B.抗壓極限值 C.抗拉極限值 D.線膨脹系數(shù)
A.40mm340mm3l60mm B.150mm3l50mm3l50mm C.200mm3200mm3200mm D.53mm3ll5mm3240mm
A.變形縫 B.沉降縫 C.伸縮縫 D.抗震縫