There are three major advantagesof the design, viz / namely cheapness, simplicity and availability.这种设计有叁大优点, 即价廉 、 简便、实用.Cheapness is one of the main attractions of polyester resins.廉价是聚酯树脂受到欢迎的主要原因之一.The cheapness of c...
Using different sidetracking methods, its success ratio and effectiveness differentia are large.侧钻的方法不同, 侧钻的成功率和效率差异很大.Differentia : Flesh of refrigerant box outfit is soft put in, take forcedly.不同点:冷冻箱装肉是软的放进去, 硬的拿出来.Di...