The two-stage load of the reinforced concrete column with reinforced concrete cover involves two parts, one before strengthened and another after strengthened.
外包钢筋混凝土加固受压柱是一个两阶段受力问题，包括加固前和加固后两部分。
Stage Two freighter could carry itself, with an empty mass of 500 tons, to Uranus in 70 days for just 114 tons of fuel, and then bring back a load of 614 tons using about 254 tons of fuel.
一个第二阶段的货轮本身，具有500吨的空量，在去天王星70天里仅114吨的燃料，然后带回了614吨负载使用约254吨燃料。
The kernel then mounts this initrd as part of the two-stage boot process to load the modules to make the real file systems available and get at the real root file system.
内核然后会将这个 initrd 文件作为其两阶段引导过程的一部分来加载模块，这样才能稍后使用真正的文件系统，并挂载实际的根文件系统。
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