名词
中文翻译：半槽式上滚筒
同义词：
['semi-slotted roll', 'semi-slotted upper roll']
例句：
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1. The machine usedto make this product has a semislotted upper roll.
用于制造这种产品的机器有一个半槽式的上滚筒。
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2.The process of rolling the material into this shape requires a semislotted upper roll.
将材料卷成这种形状的过程需要使用一个半槽式的上滚筒。
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3.The engineer explained that the semislotted upper roll was crucial for the quality of the final product.
工程师解释说，半槽式的上滚筒对于最终产品的质量至关重要。