A fire watch to be maintained when welding near installed insulation.
在安装绝缘附近焊接操作时应注意火情观察。
The mechanical property, welding property and typical application of large line energy welding and constructional steel with fire and weather resistance are studied in this paper.
对武钢研制的大线能量焊接耐火耐候建筑用钢的力学性能、焊接性能与其典型应用进行了研究。
Welding or working with naked fire on board must obtain permission of the Harbor Master and be done under the Harbor Master 'supervision.
焊接及在船上动明火须事先得到海事局的许可，并在其监督下作业。
As gas welding or electric welding is easy to cause fire explosion when equipment is re - paired in oil depots, it's better to apply simple and direct, and efficient adhesion technology.
石油库设备修补时气焊或电焊易造成着火爆炸，宜采用简捷、高效的胶粘技术。
CO2 can be used in many fields, such as food, welding, fire fighting, agriculture, development of oil and gas, cleaning, chemical engineering and so on.
CO2可应用于食品、焊接、消防、农业、油气开采、清洗、化工生产等许多行业。
To the especially structure and material welding performance of a spaceflight igniter, the key welding problem is the spatter and strike fire phenomenon which is brought by high contact resistance.
针对特殊结构和材料的焊接性能，指出目前的焊接问题主要是存在飞溅和接触电阻过大而带来的“打火”现象；
The results show that the steel has high strength, low yield ratio, powerful fire-resistant and good welding performance, so it can completely satisfy the request of JIS3136 standard of Japan.
结果表明，该钢种具有强度高，屈强比低，耐火性能强及焊接性能优良等特点，完全能够达到日本JIS3136标准要求。
Fire quickly extinguished by crew. Cause identified as welding sparks igniting the oil sludge in engine room.
火很快被船员扑灭，原因已查明是焊接火星引燃机舱污油所致。
Study on the weldability and welding materials of fire and weathering resistant steel;
本文综述了日本的潜艇用钢及其焊接材料的各项焊接性能试验情况。
Study on the weldability and welding materials of fire and weathering resistant steel;
本文综述了日本的潜艇用钢及其焊接材料的各项焊接性能试验情况。
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