Tong Nian is its soly legal heir .
童年是这所房子的唯一继承人。
USA. PPS began to beat its way to the area of packaging of electric and electronic components which was usually dominated soly by thermosetting resins such as epoxy resin .
PPS开始跻身于以前为环氧等热固性树脂独占的电子电气元件封装领域；
soly