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。
If air conditioner fluid, tracheal insulation is bad, can also cause the refrigeration, adverse effect.
若空调器液、气管保温不好，也会引起制冷、制热效果不良。
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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