氮气是惰性气体，膨胀系数低，不轻易随环境温度上升而上升，可较长时间维持正常胎压，大大降低爆胎几率。
Nitrogen is the inert gases, low expansion coefficient, not easily with the environmental temperature rise for a long time, can maintain normal tire pressure, greatly reduce the flat tire.
一种导电材料，环境惰性液体中的电路是一个理想的材料建造“受雇在板电容器的电场水的”。
An electrically conductive material which is inert in the fluid environment is a desirable material of construction for the electrical field plates of the "water capacitor" employed in the circuit.
采用惰性试验环境和高的卸载速率可获得较高的试件最低剩余强度值。
Higher minimum strength can be obtained by adopting the inert testing environment and the high unloading rate.
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