Abstract : the development of the 700 series trains which have been manufactured in batch process in japan is introduced briefly . and on the basis of the 300 series trains , the high grade performance and new improvement , etc . on the 700 series trains are described 文摘:简要介绍了日本正式投入批量生产的700系列车的开发研制情况，并在300系列车的基础上，对700系列车的高性能及新的改进等情况作了介绍。
Shunde decro bopp co . , ltd . is an enterprise which specializes in manufacturing biaxially oriented polypropylene film ( bopp ) . there are many kinds of bopp films with outstanding features in our products series and we are developing high - tech products in advanced levels 近期，公司又研制出新型的tc 、 lm等产品并投入批量生产，将面向更多更广的客户，并使双轴拉伸薄膜适用于更多更新的包装领域。
