High electricity bills point to a poor heating system or bad insulation.
高额的电费账单表明供暖系统较差或者是隔热材料不好。
The general failure model and mechanism of circuit break, loose contact, instant break, male insulation, short-circuit, false matching, poor fix and bad seal were discussed.
阐述了断路、接触不良、瞬断、绝缘不良、短路、误配线、固定不良和密封不良等常见失效模式和失效机理。
The room's insulation is too bad.
房间的隔音设备太差了。
The room's insulation is too bad.
房间的隔音设备太差了。
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