核级石墨制造
manufacture of nuclear graphite
高纯石墨制品
high purity graphite products
微米级石墨片层
micron-size graphite flake
支承墨石墨套筒
supporting graphit sleeve
[宇宙线的]重初级核
heavy primaries [of cosmic ray
1000MW级核能发电机
1 000 MW nuclear generator
650MW级核电汽轮机
650MW nuclear steam turbine