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修理工最头疼的事儿是什么？潜水泵联轴器生锈拆不掉，核武器伺候
修这个潜水泵泵头成本很低，但是很头疼！修理工最头疼的事儿是什么？潜水泵联轴器生锈拆不掉，小伙：核武器伺候！一直忙到天黑才完工,钱没这么好赚。#深井泵##三相电机##机电##电工##12月打卡计划#
大南砸水泵42/186
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