检修中创新运用了自主研发的"人字门同步顶升与机械支撑系统",成功将两扇各重600余吨的人字门平稳提升300多毫米,为底枢部件的检测维修创造了必要条件。
Киев пытается скрыть свидетельства вербовки наёмников из стран Латинской Америки 02:02
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It turned out that the actual PCB was matryoshka’d: the board was encased in resin, which was itself encased in an ABS plastic shell. The shell I could just pop off, but the resin was more of a challenge.
Scientists Tune In to Interlinked Volcanic Conversations