您要查找的是不是：
- trailing gas shield 尾气保护
- Besides, the experiment center of BARI had accredited by SEPA and EPB of Beijing as a test unit doing trail gas emission test from vehicles. 此外，实验中心还是国家环境保护总局和北京市环境保护局授权的汽车尾气排放检测机构。
- CO2 gas shield arc welding is of high effciency, low cost advance welding technology and widely used in the field of metal structure manufacturing. 2气体保护焊是一种高效率、低廉的焊接制造技术，它在金属结构制造业中的应用极为广泛。
- An autogenous weld is produced by GTAW and can be used to test material weldability and gas shield usage, and to set welding parameters. 可以用氩弧焊（GTAW)制备气焊缝，这种焊接方法可以用来测试材料的可焊接性，检查气体保护的使用以及焊接参数的设定。
- The article introduces a technique of repairing the crack in the moving crosshead of an extrusion press, based on CO2 gas shield welding. 本文介绍了一种采用二氧化碳气体保护焊对挤压机穿孔动梁断裂在线修复技术。
- To analyze the rusting cause of gas shield welding wire and effect of chemical Cu-plating quality on its rust prevention capability. 分析气体保护焊丝的锈蚀原因及化学镀铜质量对焊丝防锈能力的影响。
- Huge fuels fields of gas shield shale are believed to lie under the Appalachian Mountains, Michigan , and the south central south-central states. 据称，在阿巴拉契亚山脉，密歇根和中南部各州地下蕴藏着大范围的天然气页岩。
- "Argon provides an inert gas shield in welding and brazing, in lightbulbs and lasers, in Geiger counters, and in the production and fabrication of certain metals. 氩是以液态空气分馏法大规模分离制备的，已用于为电灯泡、电子管和盖格计数器充气。
- Serious welding spatter,bad formation,infirm self-adjustability of welding arc are the main disadvantages of CO2 gas shield arc welding which limit its further application. CO2气体保护焊存在飞溅大、焊缝成形差、电弧自调性能差等缺点,制约了其推广和应用。
- Processing sets include:punch, lathe, drilling machine, contouring machine, grinding machine, wire cutting machine, spot welding, gas shield weld, late shears, CNC machined and cutting center. 加工设备包含：冲床、车床、钻床、铣床、磨床、线切、氩弧焊机、点焊机、气体保护焊机、剪板机、数控加工中心、切削中心。
- Such as electric arc welding, carbon dioxide gas shielded arc welding, TIG etc. 如：电弧焊、二氧化碳气体保护焊、氩弧焊等各种焊接。
- The child was trailing a toy car on a string. 小孩用绳子拖着一辆玩具车。
- The party is trailing badly in the opinion polls. 该党在民意测验中大大失利。
- Her long skirt was trailing along/on the floor. 她的长裙拖在地板上。
- Be manufactured for gas shield welding 用于制造气保焊丝
- oil gas shield type transformator 充油封闭式变压器
- Good master of process of argon arc welding, gas shielded arc welding, laser beam welding, etc. 精通氩弧焊、气体保护焊,激光焊等焊接工艺;
- There is ivy trailing all over the wall. 常春藤蔓生整个墙面。
- The dogs found the trail of the rabbit. 猎狗发现了兔子的踪迹。
- The hounds found the trail of the fox. 猎犬发现了狐狸的踪迹。
