A.大放腳 B.墊層 C.防潮層 D.勒腳
A.60% B.70% C.80% D.90%
A.7項(xiàng) B.8項(xiàng) C.9項(xiàng) D.10項(xiàng)
A.(18±2)℃ B.(20±2)℃ C.(23±2)℃ D.(25±2)℃
A.6 B.8 C.10 D.15
A.外觀質(zhì)量 B.表干時(shí)間 C.實(shí)干時(shí)間 D.粘結(jié)強(qiáng)度