Axial compress expander forming has been used to production of high-grade thin-wall three-way connection made of red copper used for building and refrigeration.

介绍了采用轴向压缩胀形成形原理，生产高档建筑及制冷系统用薄壁紫铜管三通接头的成形工艺和模具结构。

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We admit this was doing it the hard way. You need to write a script because you need three BAPIs called on a single connection for each address change.

我们承认这种办法比较麻烦，因为每次修改地址都需要在一个连接上调用三次BAPI，所以需要编写脚本。

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To establish a connection, TCP USES a three-way handshake.

TCP使用三阶段握手建立连接。

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