1.The space that residential building narrowed the mankind lives, make resist safety of chill, sponsorial body had reliable safeguard.
住宅的建筑缩小人类生活的空间,使抵御风寒、保证人身安全有靠保障。
2.Stem from the need of environmental protection, special attention introduces a few high-grade brand the cupreous ability that exceeds small lead content is made, sponsorial system is healthy.