答：水渠护坡河道类一般由下往上铺设，沿水流方向上片搭下片。搭接有多种常见方法，一是自然搭接，二是密封搭接，三是无漏水搭接。铺设时布面朝上，具体见《施工规范和验收标准》。会派现场技术指导前往指导或视频技术指导，本公司多年来至始至终坚持每处必派人或视频照片等方式指导。

4.How to overlap the joints?

Aqueduct protects slope river course kind to be laid by bottom upgrade commonly, go up along current direction piece takes next piece. There are a variety of common lapping methods, one is natural lapping, the other is sealed lapping, specific see "construction specifications and acceptance standards". Three is no leakage lap joint. The cloth is laid face up. Field technical guidance will be sent to the guidance or video technical guidance.