lever floating trap 杠杆浮球式疏水阀

floating overflow trap 浮点溢出自陷

floating underflow trap 浮动点下溢自陷 ; 浮点下溢自陷

floating point underflow trap 浮点下溢陷阱

floating point underflow trap enable 允许浮点下溢陷阱

floating type trap 浮球式疏水阀

floating steam trap 浮球式冷凝水排除器

free floating type trap 自由浮球式疏水阀

floating ball steam trap 浮球式疏水器