螺栓孔螺栓孔螺栓孔法兰通径外径中心距直径数量厚度DN A B D K L n Th.C 1017.21410070144M12201521.31810575144M12202026.92513090184M16242533.732140100184M16243242.438155110224M20284048.345170125224M20285060.357195145264M24306576.176220170268M24348088.989230180268M2436100114.3108265210308M2740125139.7133315250338M30*244150168.31593552903312M30*250200219.12194303603612M33*2602502732735154304212M39*368300323.93255855004216
M39*3光影交错的时空
类>约会荷花
78
汾渭盆地
钢管外径A 1
排污阀
螺纹
法兰S H 1高度A B ≥≈H 3232264453434264454242 2.964525252 2.984586060 3.685607070 3.6106649090410675108108512682120120 6.31288615015081281001801801014811521021012.51410128278278161610140340340201812155400
