The key moment of pool-forming was early Cretaceous.
早白垩末是山西组成藏关键时刻。
The early high strength and can separate mould, nursing in short time, shorten forming time.
早期强度高、脱模、养护时间短、施工期大大缩短。
The early high strength and can separate mould, nursing in short time, shorten forming time.
早期强度高、脱模、养护时间短、施工期大大缩短。
应用推荐