美标波纹管闸阀WZ41H-150LB(图)
德标角式波纹管截止阀WJ44..
蒸汽波纹管截止阀GS-C25
美标波纹管闸阀WZ41H-1..
系统平衡稳流阀XPF-25PSS
波纹管截止阀WJ41H-25..
波纹管截止阀WJ41W-25P