pre-oriented yarn中文什么意思

例句与用法

1. Poy pre - oriented yarn
   拉伸变形丝
2. Santai chemical fiber . was established in march 1993 , specialized in cotton type , hollow silicon , hollow conjugated polyester staple fiber and poy polyester pre - oriented yarn . our company can produce 40 , 000 tons of polyester staple fiber and 40 , 000 tons of poy polyester pre - oriented yarn every year
   本企业始建于1993年3月，主要生产棉型中空上硅三维卷曲等系列涤纶短纤产品及各规格的poy涤纶预取向丝，具有年产4万吨涤纶短纤和年产4万吨poy涤纶预取向丝的生产能力。