解:A.相对于途径①,铜与浓硫酸在加热条件下反应生成硫酸铜、二氧化硫和水,反应的方程式为:^1OS^7HG+n_D △ . CuSO_4+SO_2,生成的二氧化硫气体污染空气,途径②2Cu+O_2 △ . 2CuO(稀)=CuSO_4+H_2OB.发生2CuSO_4 △ . Cu_2O+SO_2↑∵O+ 、SO_2的混合气体,若只是二氧化硫和三氧化硫,...
QC 1214K轴承内径图纸 内径为70mm的各品牌轴承分布 SKF 内径为70mm的有20种: NUP 314 ECM *NNC 4914 CVPWM 7080905331471814 ACD/P47014 ACE/P4ALWS 8111471914 ACE/P4AH1NU 2214 ECM *62214-2RS1/W6422315 EK + AHX 2315 G *71914 CD/HCP4AH17314 BEGBYBTM 70 ATN9/P4CDBB32014 X/Q7014 CB/HCP...
KT 505835 LRTZ 505841 OS 50584 TLA 5020Z LRT 505840 LRT 505845 LRT 505822 TLAM 5025 TLA 5025Z KT 505820 TLAM 5020 KT 525817 LRTZ 505845 TLA 5026UU RNA 49/38UU KT 505825 LRTZ 505823 DS 50584 RNA 49/38U RNA 49/38 KOYO 外径为58mm的有20种: 302/28R 6809ZZ 50BM5825 332/28JR ...
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OySk0BGPyfOsRBS0h/cSW7ndaztyL5CPXGzSUunn3V9G0ZkGJI5yxlF+MS2g4M7KMAMWe3Pojm/A XTZFGxEfLGOJ5vdIg4+AKK36XXVRoqGzfZ4nCdNeqnN/cwNiAe0HKcvIAjqpz1eQRGXm1M9lpAJC udvFe85iL14zqO8PYUWjfZZ6l7ZVZ7nhLXyStKsvMU+DqyPxl0jyL2kSe78ZXAdZtvB6YxZskbaR XCS7iH7uKh+yO3tgAce5eXcqfjEkuFKAJ3SUpU...