Comments: Whatever method of application is used, the water repellent must be applied until the surface is saturated: the repellent should drip down 30 or 40 cm.
评论无论方法的应用是什么防水必须适用，直至表面饱和，滴灌的涂应下跌30或40厘米。
Please leave 2.5 cm left and right margins so that the marker has some space for comments.
请留下2.5厘米左，右页边距，使标记的意见有一定的空间。
Please leave 2.5 cm left and right margins so that the marker has some space for comments.
请留下2.5厘米左，右页边距，使标记的意见有一定的空间。
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