蹲便器带弯和不带弯的区别在哪里

带弯的蹲便器不带弯的,就不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水弯的,不带存水,不带水的,不带存水,不带水的,不带水的,不带水的,不带水的,不带水的,不带水的,不带水的,不带水的,不带水的,不带水的无水,不带水的无水,不带水的无水,不带水的。