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1. The gripper-feed mechanism is designed to ensure the food stays fresh and prevents contamination.
夹持式喂食机制设计用来确保食物保持新鲜，防止污染。
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2.The machine uses a gripper-feed mechanism to automatically feed the fish.
这台机器使用夹持式喂食机制来自动喂鱼。
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3.The gripper-feed mechanism was developed to improve the efficiency of feeding operations.
夹持式喂食机制的发明是为了提高喂食操作的效率。