Fearful that India's nuclear Arsenal will overwhelm its own, Pakistan continues to block negotiations on a treaty that would freeze all production of weapons-grade material.
巴基斯坦担心印度的核武库会压过其核武库，所以继续阻挠关于冻结所有武器级材料生产的条约的谈判。
The gasket among unions adopts food grade material.
快接件的垫圈全部采用可食用级材料；
Its main products include cotton yarn, grey cloths and high-grade material for clothing.
企业主导产品：棉纱、坯布和高档成衣面料。
Using the strong background magnetic field produced by effective electromagnet and the catching surface to produce high magnetic field gradient makes the separation of micro-grade material possible.
利用有效电磁体产生的强背景磁场和能产生高磁场梯度的捕集表面，使得分选微米级的物料成为可能。
Using the strong background magnetic field produced by effective electromagnet and the catching surface to produce high magnetic field gradient makes the separation of micro-grade material possible.
利用有效电磁体产生的强背景磁场和能产生高磁场梯度的捕集表面，使得分选微米级的物料成为可能。
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