这个马桶管道比较直。
https://www.lowes.com/pd/KOHLER-Highline-Curve-White-WaterSense-Elongated-Chair-Height-2-Piece-Toilet-12-in-Rough-In-Size/1001097304?cm_mmc=shp-_-b-_-prd-_-pro-_-ggl-_-PLA_BTH_000_PRO-_-1001097304-_-online-_-0-_-0&gad_source=1&gclid=Cj0KCQjwltKxBhDMARIsAG8KnqUqYi11kFdCLKTnUWd9TPm9DCd9GKsfzbHWZ3ZZ68OihfFgggUBqfQaAhk3EALw_wcB&gclsrc=aw.ds
我家的那个像以下这种,而且顶部更弯一点:
https://www.lowes.com/pd/Project-Source-Pro-Flush-White-Dual-Flush-Elongated-Chair-Height-2-Piece-WaterSense-Toilet-12-in-Rough-In-Size-ADA-Compliant/5006032707