阀门螺栓对应表
1.6MPa法兰、阀门及配螺栓标准公称通径法兰厚度螺栓标准螺栓数量套数备注DN1514M12X504X28DN2014M12X504X28DN2514M12X504X28DN3216M16X604X2
阀门螺栓对应表