In the use of plastic mulch for BOPP film at prbroin gelatinize.在使用拉伸聚丙烯薄膜覆膜时,必须在膜上涂胶.When the screen gelatinize must have been thoroughly dry.涂胶时网版务必还来彻底潮湿.The gelatinize layer of adhesive is divided into rubber and acr...
它含在一种叫氢气的很轻的气体中.This energy is contained in a very light gas called hydrogen.为了使管道能达到运输氢气的要求,专门的生产流程是必须的.Special production processes are needed to make pipes for carrying hydrogen.介绍了我国 氯碱 行业副产氢气情况,提出了氢气的回收技术及利用方向.By - ...
非法套汇的其他行为.Other acts of illegal foreign exchange arbitrage.讨论了避免套汇兑换率矩阵必须是正互反矩阵的结论, 以及给出了兑换率矩阵调整为正互反矩阵的方法.In order to avoid arbitrage, the rate matrix of exchange must be a positive reciprocal matrix.即使套汇交易出现, 也会被一些专业的交易...