旋启式止回阀国标型6″H44H-150Lb全套CAD图纸 6″H44H-150Lb-00.dwg(331.99KB)，6″H44H-150Lb摇杆.dwg(125.31KB)，6″H44H-150Lb支架.dwg(127.38KB)，6″H44H-150Lb销轴.dwg(93.84KB)，6″H44H-150Lb阀体.dwg(192.41KB)，6″H44H-150Lb阀盖.dwg(271.71KB)