Generally, the box cover lower surface is equipped with a round clamp slot corresponding with the box body opening, the box body opening end is clamped in the clamp slot;
通常所述盒盖的下表面设置与盒体的开口对应的环绕卡槽，所述盒体的开口端卡装在所述卡槽中；
The measuring cup is arranged at the lower end of the barrel cover and is marked with graduations.
量杯设置在桶盖的下端，量杯上标有刻度。
The upper nest is connected to the upper end of umbrella column; the middle and lower nests cover umbrella column.
上巢固定连接在伞柱的上端、中巢和下巢空套在伞柱上。
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