It is mainly used as an outer tube for inner control cable. Types of product include coiling outer casing, long-lay outer casing, and double-wire outer casing.

此为专业控制线之套管，品种涵盖螺旋软管、直丝软管、双丝软管。

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This article illuminates the process and characteristic of double-wire MAG welding from requirements of welding machine, gas, metal transfer control and welding process.

从其焊接设备的要求、 保护气体以及其熔滴过渡控制、焊接过程等几个方面，详细介绍双丝MAG焊的工艺及其特点。

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Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.

螺旋焊管是以带钢卷板为原材料，经常温挤压成型，以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。

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"Most of us would want to help a friend in need, but if it's an online friend, and they want you to wire money, you should double-check, " FBI spokesman Jason Pack said.

CNN: Facebook, Twitter crooks just a click away

Along either side of the road lay broad swathes of landmines and a double fence of barbed wire that stretches the 151-mile (248 km) length of the DMZ.

CNN: Bush peers into 'evil' North Korea