主要特点在于端到端尺寸较短，轻型不锈钢阀体，落差损失最小。

Features short end-to-end dimensions, light weight stainless steel body, and the lowest head loss available.

youdao

主要特点在于端到端尺寸较短，轻型不锈钢阀体，落差损失最小。

Features short end-to-end dimensions, light weight stainless steel body, and the lowest head loss available.

youdao