Cut tube end square . ream , burr and size 垂直切割管道。刮除毛刺,测量尺寸。
The term " fluvial incision " refers to vertical incision of stream channel into bedrock 摘要流水下切是指河流河道在基岩中的垂直切割。
Cut tube end square to exact length needed , so that tube will enter valve socket all the way to the shoulder . ream , burr and file 根据所需长度垂直切割管道,使得管道能够完全进入到阀门插口的肩部。刮除毛刺,进行锉磨。