2-2杆AC、BC在C处铰接,另一端均与墙面铰接,如图所示,F1和F2作用在销钉C上,F1=445N,F2=535N,不计杆重,试求两...
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65例1.1:已知甲醇合?成塔上压力?表的读数1?50kgf?/cm2,这时车间内?气压计上的?读数为78?0mmHg?。试求合成塔...
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Forpersonaluseonlyinstudyandresearch;mercialuse肅Forpersonaluseonlyinstudyandresearch;mercialuse羅莀...
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项目1习题参考答案14 耳=270N; a = 27.1°15 F;=180.2N; Fr =283N16 竹=90.62V; a = 46.79°17 (a) FLsi...
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