不透水外套
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water-impervious cover
water-impervious封面
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The treating schemes were included the followings: slotting across cracks, grouting under water, V-shaped slotting across cracks, caulking SR materials, pasting impervious SR cover sheet.
处理方案主要包括骑缝切槽、水下灌浆、骑缝切V形槽、嵌压SR止水材料、粘贴SR防渗盖片等。
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