The paper introduce some factor about influence of PCB wrappage from PCB design materiel selection press program flow operation four aspect .

本文从PCB的设计、物料选择、压板程序、流程操作等四个方面介绍了影响PCB 弯曲 度的一些因素。

In order to improve electric stability surface colour and luster of resin wrappage of tantalum condenser prevent resin wrappage from cracking when temperature is up and down sharply curing agent filler and curing technology for epoxy resin were screened and a feasible plan put forward .

为了进一步提高钽电容器树脂 包 封层的表面色泽和电稳定性，防止温度冲击开裂，对环氧树脂固化剂、填料及固化工艺进行了筛选，提出了可行性方案。

Research on the Development and Application Methods of Wrappage

关于 商品 包装 物开发利用途径的研究与探讨

Be suited to the wrappage which is ponderous so need not forklift .

适合笨重 移动不 易 之 包装 物，不必 使用堆 高机。

Wrappage is orignal packing and the ID content is in line with the marked goods .

包装 物为初包装，标识内容与标的物一致。

However it is waste plastic wrappage that not only cause ` vision pollution also disserve stabilization of environment abandoned on cities roadway river etc.

然而，废弃的废旧塑料 散落在市区、风景旅游区、水体、道路两侧，不仅影响景观、造成视觉污染，而且对生态环境的稳定也是严重的潜在威胁。

Also it can make other industries develop and capsicum product industry can make the production of cooking oil spice agricultural products and wrappage develop and their value raise .

辣椒产业带动性 强，可以带动食用油、香辛料、农产品及 包装 物生产的 全面发展及产值提升， 经济 效益 显著。

Improvement of resin wrappage of tantalum condenser

钽电容器树脂 包 封 材料的改进