delivery pipeline

• 排水管线

delivery pipeline的用法和样例：

例句

1. When the discharge volume is near the maximumdischarge volume of the trap,it issuggested that fhe sixe of the water discharge pipeline should be as large as possible.
   当排量接近疏水阀的最大排量时，建议尽可能扩大排水管线的尺寸。