[名词解释] 钎焊

为防止附着式升降机在升降情况下发生断绳，折轴等故障，保障升降时脚手架不发生倾斜、晃动，规定必须设置（）装置。 ["A、防滑和防断绳","B、防晃动和防折轴","C、防坠落和防倾斜","D、防坠落和防跑车"] 电子束焊 油浸变压器干燥时，其绕组温度不超过（） ["110℃","100℃","95℃","85℃"] 盘柜安装中垂直度允许偏差不大于（）cm ["2","2.5","1.5","3"] 电阻焊 钎焊