Plasma arc welding is a new technology which is developed in recent years.

等離子弧焊接技術(shù)是近年來發(fā)展起來的機(jī)械零部件焊接新技術(shù)美女隐私无遮挡免费视频软件。

Based on TPAW, finite element calculation of temperature field in keyhole plasma arc welding is conducted, and.

在此基礎(chǔ)上，對小孔等離子弧焊接熱場進(jìn)行了有限元計算村姑乱伦强奸视频细节过程中文字幕，分析了引弧后熔池及周圍溫度場的瞬時演變過程一二三级免费黄色网站。

Based on theories of hydromechanics, hydrokinetics and heat transfer, a three dimensional transient numerical model of flow and temperature field of the plasma arc welding molten pool with a moving arc is established.

本文根據(jù)流體力學(xué)、流體動力學(xué)及傳熱學(xué)理論日韩情侣中文自拍视频网站，建立了運(yùn)動等離子弧作用下焊接熔池流場亚洲精品国产私拍在线88、溫度場的三維瞬態(tài)數(shù)值分析模型。

This experimentation is to select the SUS 304 stainless steel weldment using plasma arc welding process.

本實(shí)驗(yàn)選用SUS 304不在线观看黄片免费？袗欧美黑粗硬大一级A？為試驗(yàn)材料，采電漿電弧焊為焊接方式黄在线视频免费在线播放。

The models of both heat source and welding temperature field were developed according to the characteristic of keyhole plasma arc welding process.

根據(jù)小孔等離子弧焊接的工藝特點(diǎn)日韩精品网站网址在线看视频，建立了相應(yīng)的熱源模型和焊接熱場的分析模型。

After the analysis of weld electric arc message, the variation laws of keyhole effect in plasma arc welding have been understood.

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