The wind regulator of the air-blower is broken and the workers have tried to fix it but failed.
鼓风机上的风量调节装置失灵了， 工人忙活了半天也没修好。
It is to put forward a new suggestion to improve the out-datde air-blower-driver drying closets:replace the outdated electric contact thermometer with the digital temperature regulator.
将恒温鼓风干燥箱温控装置由老式水银电接点式温控器改造成了新式的数显调节仪，收到了良好效果。
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