The welded metal consists of grain boundary ferrite, ferrite side plate and acicular ferrite.

焊缝组织主要由晶界铁素体、侧板条铁素体和针状铁素体组成；

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The welded metal bellows mechanical seal is largely used for the axial seal of hot oil pump in refinery.

焊接金属波纹管机械密封主要用于炼油厂热油泵的轴封。

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The article discusses the calculation of mechanical properties of welded metal-bellows applied in mechanical seal devices.

本文主要讨论应用于 机械密封 装置中的焊接金属波纹管力学性能的 计算。

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During a frantic week, Peterffy and his best engineers welded metal, wrote code, and soldered wires.

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The first fence, 10 feet high, is made of welded metal panels.

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The key to pulling it off is the serial number assigned to each vehicle at the very first stage of production, where metal parts are welded together to form an engine compartment.

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