该应用的目的在于：利用材料的高强度，同时减轻构件的质量，降低质量惯性与离心力，并以此节约能源。
The purpose of its application is to utilize its high mechanical strength, to reduce the mass, the inertial mass and the centrifugal inertia force, and thereby to save energy.
该应用的目的在于：利用材料的高强度，同时减轻构件的质量，降低质量惯性与离心力，并以此节约能源。
The purpose of its application is to utilize its high mechanical strength, to reduce the mass, the inertial mass and the centrifugal inertia force, and thereby to save energy.
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