Raios

常见例句

• Books, magazines ,TV ,raio and films all help us communicate with others.
  书，杂志，电视，收音机和电影都能帮助我们同其他人进行交流。
• If the raio of MgO to cement is greater than 5%, it is possible to use MgO in the construction of RCC gravity dams and high arch dams without artificial cooling.
  如能突破掺率5%25的限制，则有可能在全国把氧化镁混凝土应用于高拱坝和碾压混凝土重力坝，使混凝土筑坝技术有较大改观，但事关重大，为此应进行大量科学试验。
• Keywords food examine;eligibility raio;surveillance;
  关键词食品;合格率;监测;
• Raio
  拉约
• efficacy - cost raio
  效价比
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