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- The works is significant and valuable to the study of underwater welding arc physics and welding metallurgic. 本研究工作对水下焊接电弧物理及焊接冶金的研究有参考价值。
- The arc physical characteristic of mixed gases (Ar+He+CO2) and its effects on weld shaping were discussed. 摘要采用钨极氩弧焊对不同比例氩-氦-二氧化碳混合气体的电弧物理特性及其焊缝成形进行了实验。
- Keywords Analysator Hannover;flux-cored wire;welding arc physics; 汉诺威弧焊质量分析仪;药芯焊丝;焊接电弧物理;
- Keywords bare wire;analysator hannover;welding arc physics; 实心焊丝;汉诺威弧焊质量分析仪;焊接电弧物理;
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- He tutored the child in physics. 他给这小孩辅导物理。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年,贞德被追封为圣女。
- Physics is governed by cosmic laws. 物理学受宇宙法则的制约。
- Physics has made enormous progress in this century. 本世纪物理学的发展突飞猛进。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- Einstein's theory marked a new epoch in physics. 爱因斯坦理论开创了物理学的新纪元。
- Nuclear physics is a closed book to me. 核物理学是我完全不懂的一门学科。
- Nuclear physics is a closed book to most of us. 我们大多数人对原子核物理学一窍不通。
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- She majored in maths and physics at university. 她在大学期间主修数学和物理。
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
- Einstein won the Nobel Prize for physics in1921. 1921年爱因斯坦曾荣获诺贝尔物理学奖金。
- He trusted the physic of his doctor. 他信任他医生的医术。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。