Arcs more readily than AC welders, with longer arcing.
起弧比交流电容易，电弧加长一倍。
The Contractor shall have all welders tested in accordance with the applicable code or standard.
承包商应根据适用规范或标准测试所有焊工。
Welding procedures and welders shall be qualified in accordance with the specified code or standard.
焊接程序及焊工应符合指定的规范或标准的要求。
Comparison of Hazardous Effects of Acidic And Basic Electrode Welding on Welders
酸，碱性焊条对焊工危害作用的比较
Welding operations are performed by appropriately qualified welders.
焊接操作由具有资质的焊工实施。
Assist supervisor to organize technique and safety training for the welders.
协助主管做好对焊工的技术和安全培训。
Welders and machinists have more than enough skills to be robot technicians, says Prof Bourne.
焊工与机修工有足够技能成为机器人技师，伯恩教授说。
Welders help build metal products from coffeepots to skyscrapers.
焊工加工的金属品从咖啡壶到到摩天大楼而不等。
Workers are using electric welders to weld cracked steel.
工人正在用电焊机把断裂的钢筋焊结在一起。
Fifty welders were declared redundant.
已公布削减五十名焊工。
welders spatter ease
焊接易飞溅液
Safety helmet for electric welders.
电焊工专用安全帽。
This paper examined the conduction velocity in nerve median of the electricwelders in68 Cases.
本文对70例电焊工正中神经传导速度进行了检测。
Case control study on risk factors of pneumoconiosis in welders
电焊工尘肺危险因素的病例对照研究
Helmet type and hand shield type protectors for welders
焊接用安全帽面罩和手持面罩
Weld procedure specification and qualification records and welders qualification record.
焊接程序规范及资质记录，以及焊工的资质记录。
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