旋启式止回阀国标型8″H44H-150Lb全套CAD图纸 8″H44H-150Lb-00.dwg(167.72KB)，8″H44H-150Lb摇杆.dwg(126.66KB)，8″H44H-150Lb支架.dwg(112.34KB)，8″H44H-150Lb销轴.dwg(91.03KB)，8″H44H-150Lb阀体.dwg(168.41KB)，8″H44H-150Lb阀盖.dwg(109.53KB)，HFNYG-200.dwg(100.09KB)