J13W-160P内螺纹针型阀 波纹管针型阀 丝口针型阀,现货供应
面议J13W-160P内螺纹针型阀 波纹管针型阀 丝口针型阀,现货供应
面议A47H-16C弹簧式安全阀A21H-16C先导式安全阀A46F
面议CS41H-16P蒸汽疏水阀CS49H16C浮球式疏水阀CS41H-16P
面议G41F-10衬胶隔膜阀G41X-10/16气动隔膜阀G6K41J-10
面议H41W-16P消声止回阀HC41T-10球形止回阀HQ41X-10
面议J41W-16P螺纹截止阀J11W-16高压截止阀J61Y-320
面议Q41F-16P二片式球阀Q11F-16P保温球阀BQ41F
面议Z41W-16P不锈钢闸阀Z41W-16P软密封闸阀Z41X-10
面议Y43H-16C活塞式蒸汽减压阀Y43H-16C气体减压阀YK43H-16C
面议