不过他们担心一旦进入超市出售，这些细菌就会通过购物车手柄、购物袋传播至其他食品。
But fears that once handled in a supermarket the bacteria can be passed on through trolley handles, shopping bags and transfered to other foods.
因为草稿一旦完成仍需交由议会通过，德国人承认他们不太可能在1月最后期限前完成。
Since it still has to be passed by parliament once the draft is done, the Germans admit they are unlikely to meet the January deadline.
一旦转子安装，他们会通过减少材料，创建了一个通道，降低了螺旋桨的顶部和管壁之间的间隙。
Once the rotors are fitted, they'll cut through the material, creating a channel that reduces the clearance between the propeller top and duct wall.
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