体积重量比密度高，更高的耐受环境温度范围，并且能经受高强度的振动。
Weight ratio of the density of high-volume, higher ambient temperature range of tolerance and are able to withstand the vibration of high intensity.
体积重量比密度高，更高的耐受环境温度范围，并且能经受高强度的振动。
Weight ratio of the density of high-volume, higher ambient temperature range of tolerance and are able to withstand the vibration of high intensity.
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