双盖
shuāng gài
- Double cover;double-canopy
双盖
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保冷保温效果佳,360度出水口,双杯盖设计,附背带舒适手把,外形新颖,色彩亮丽,贴心设计,居家旅游携带方便。
For cold heat preservation effect , 360 degrees outlet , double lid design with straps comfortable in hand , the contour novel , the color bright , intimate design , reside the tourism carrying convenient .
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双锥平衡密封盖在装酸槽车上的应用
An Application of the Bipyramid Balance Seal Cover in the Acid-containing Trailer