Add extra layers of cardboard to the corners of your box and use plenty of Duct tape to hold it tight.

在盒子的角落处添加几层硬纸板，用大量胶带缠牢。

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Several layers of the material along with fat harvested from the patient are placed over the hole; the material then expands to form a tight seal.

几层这种材料加上从来源于病人的脂肪堵住这些孔洞，这些材料随后会延展并把孔洞密封起来。

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The utility model has the advantages of simple structure, convenient use and tight meshing among layers; the utility model can prevent the leakage of the water.

本实用新型结构简单，使用方便，层间咬合紧密，可防止水的渗漏。

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Steel Dynamics also has lean staffing and a tight organizational chart--only four layers of supervision between Busse and the crews.

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So instead, I use a skin-tight, sweat-wicking polypro base layer on my legs and torso, then the aforementioned fleece layers (which also repel water toward my outer shell).

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