然后把加热器吻合地安装在罩壳内.Anastomosis then heater installed in the Shell.对透明塑料罩壳注射模结构, 采用点浇口进料.For the injection mold structure of transparent plastic cover shell, point gate feeding is adopted....
Wettable powders exhibited higher activity than emulsified formulations.可湿性粉剂的活性高于乳化制剂的活性.The effectiveness of anti - caries actives formulations based on sodium fluoride or sodium mono - fluorophosphate are confirmed.对以...