求翻译：电缆导体的最高额定温度为90℃，短路时（最常持续时间不超过5s）电缆导体的最高温度不超过250℃，电缆的敷设温度不低于0℃是什么意思？

The maximum rated temperature of cable conductor is 90 ℃, short time (the most common duration of no more than 5s) conductor cable does not exceed the maximum temperature of 250 ℃, cable laying temperature not lower than 0 ℃

The highest rated cable conductor temperature of 90 °C, short circuit (most often lasting time should not exceed 5s) cable conductor of maximum temperature not exceeding 250 degrees C, cable installation temperature of not less than 0 degrees C

The electric cable conductor maximum fixed temperature for 90℃, short-circuits when (most often duration does not surpass 5s) the electric cable conductor maximum temperature not to surpass 250℃, the electric cable placing temperature is not lower than 0℃

The highest rated cable conductor temperature of 90 ° c, short-circuit (most common duration of no more than 5s) conductor maximum temperature does not exceed 250 ℃, cable laying temperature is not lower than 0 ℃

The highest specified temperature of the cable conductor is 90 ℃, the maximum temperature of the cable conductor does not exceed 250 ℃ while shorting out, laying the temperature and is at least 0 ℃ of the cable