\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
1. Pipe ends must be cut square, using a wheel-type cutter or saw & miter box. 管道端口必须顺直角垂直切割,可采用轮式切割机或锯子与轴锯箱。