Their main objective was to help Kiev downsize a missile-production infrastructure that had been used to churn out the bulk of the Soviet Union's long-range weapons.
他们的主要目标是帮助基辅裁减已用于生产大部分苏联远程武器的导弹生产基础设施。
Those changes are made worse by how many older runners spend the bulk of their time-driving to and from work, sitting at a desk and rarely moving outside of a small range of motion.
这些还会因为很多老年跑步者很少使用他们的而恶化——开车上下班、长期坐在办公桌前、很少动弹等。
There exists a heat transfer mechanism of air convection in the range of bulk density of high loft nonwoven fabrics.
在高膨松性非织造布的体积密度范围内,有空气对流传热机理存在。
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