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壳段
释
shell segment
壳段
火箭的主承力结构,是除推进剂贮箱和高压气瓶以外所有主承力结构的统称。又称干部段。
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cement pneumoconiosis
cement production process control system
cement slurry
cement slurry consistency
cement slurry flash set
cement slurry setting time
cement-soil wall
cement solidification
cementum
cement without cement clinker
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