A.抗拉強(qiáng)度≥1.5MPa B.抗壓強(qiáng)度≥1.5MPa C.抗拉強(qiáng)度≥0.1MPa D.抗壓強(qiáng)度≥0.1MPa
A.160×40×40mm B.80×40×40mm C.100×100×50mm D.100×50×50mm