Just because your car is constructed of welded metal parts doesn't mean that you must be skilled with a welding torch to drive it.
虽然汽车是由金属部件焊接构成，但并不意味着你必须熟练掌握焊接技术才能开车。
It is well known that the welding processing on one hand requires on skilled operational skills, rich practical experience and stable level of welding;
众所周知，焊接加工一方面要求焊工要有熟练的操作技能、丰富的实践经验、稳定的焊接水平；
Skilled welding of electronic circuit, debugging and maintenance.
熟练进行电子电路的焊接、调试与维修。
Skilled welding of electronic circuit, debugging and maintenance.
熟练进行电子电路的焊接、调试与维修。
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