This story starts in a bomb shelter deep beneath downtown Helsinki.
故事从深埋于赫尔辛基市中心地下的防空洞说起。
The isovolumetric burning performance of deep deterred oblate spherical powder(DDOSP) with large web is investigated by the closed bomb test.
利用密闭爆发器试验研究了大弧厚深钝感球扁药的定容燃烧性能。
This story starts in a 2)bomb shelter deep beneath downtown Helsinki.
故事从深埋于赫尔辛基市中心地下的防空洞说起。
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