By experimentation, comparison flame brazing's some limitations such as infiltration, working efficiency, working condition are poor and easy to burn out loop's insulating.
通过实验比较，阐述了气体火焰钎焊在焊接转子并头套时渗透率不高，生产效率低，生产环境差和容易烧坏线圈上的绝缘层等缺陷。
An Israeli study of 677 mostly male, middle-aged workers found those affected by burn-out were nearly twice as likely to develop the condition.
以色列一份针对677名多为中年男性劳工的研究发现，工作疲累者罹患这种疾病的可能性几乎是两倍高。
An Israeli study of 677 mostly male, middle-aged workers found those affected by burn-out were nearly twice as likely to develop the condition.
以色列一份针对677名多为中年男性劳工的研究发现，工作疲累者罹患这种疾病的可能性几乎是两倍高。
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