They should provide reliable information of survey and construction for repair and overhaul in order to prolong the usage period at most, to improve the living conditions.
为大中修提供查勘、施工的可靠资料,最大限度地延长房屋的使用寿命,同时不断改善房屋的使用条件。
Objective to detect the asepsis storage period of insulin injection after seal removing, and to instruct the usage period of insulin during clinical practice.