When the phone is charged through a substandard or incompatible charger, the risks become greater, because of the possible lack of proper insulation in the charger.
但若手机通过劣质、不兼容的充电器充电，则很可能加大危险程度，因为充电器里缺少合适的绝缘材料。
Proper insulation must be taken after welding.
焊后采用适当的保温处理。
Proper insulation must be taken after welding.
焊后采用适当的保温处理。
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