妈妈只是在关心你 » MOM just care about you 内箱材质 » Inner box material 参加这类活动，对我自己的英语表达能力来说是一个锻炼和提高的好机会。
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An exhausting pipe is held in the inner side of the outer box of the box for exhausting the air between the outer box and the inner box upon filling heat insulating material into the box.
容纳在箱体的外箱内侧的排气管，以用于向箱体填充隔热材时排出内箱和外箱之间的空气。
The refrigerator includes: a box, which has an outer box, an inner box and heat insulating material filled between the outer box and the inner box.
其包括：箱体， 其具有内箱及外箱、和填充在内箱和外箱之间的隔热材；
The invention relates to a composite material closed boxcar which comprises a box body, wherein the box body consists of an outer layer, a middle layer and an inner layer.
一种复合材料封闭货车车厢，包括箱体，所述的箱体由外层、中层和内层构成。
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