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簧下质量 huáng xià zhìliàng
bridg.constr. unsprung mass; mass under the spring
railw. non-suspended mass; unsuspended mass
车辆簧下质
auto. unsprung weight
簧下质量车辆质量与簧上质量之差 huáng xià zhìliàng
auto. unsprung mass
簧下质量
: 4 phrases in 2 subjects
Automobiles3
Rail transport1