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ʱ䣺2022-10-06 11:39:33 Դ:񹤻е

    ɼں˶ŵļлΪɼʽְ͸͸ķչͷɼʵߣɼӦҲԽԽԽ㷺ɼͽ϶࣬ӦýϹ㷺УԲʽɼ˫ͲʽɼתʽͰʽɼȡ

1.ԲʽɼַɼһӦСֻڡװ䴲ǰдּʹ䴲̫߰װھǰͷԱ֤ƹ˳СɼԻԲεƬɣԲ̵ֲ˶ٶȡɼԭʼλʱֲڵڷɼǰֲõοػ⵼ʱڵֲƫбֲĽԲммСµƬ½󣬵ʹֲĻصԭʼλã˺µƬɼȱΪпбģͷ䴲ǰּӰ첻ּлɿṹ򵥣ٶȿɴ10m/sϣСֻõ㷺Ӧá

2.˫Ͳʽɼ ˫Ͳʽɼ㷺Ӧڼ˶е͸ֺ͸ְ壬乤ԭ£תĹͲϣ̶ƬعƶŵͨͲмʱƬСƬԲٶӦԴ˶ٶȣʱڽڴҪַɼȱǣкʱ治ƽԼбӰ󣩣пְʱϴˣַɼʹڼиС͸ֺͱ塣

3.  תʽɼļл˻ɣڼƵƽ˶洹ֱԣеĶȽƽֱɼļлɵܡƫͲͰڸ˵ɡɸܸ״һ˹̶ƫͲϣһڸڸ˵İڶ֧ǽϡƫͲתʱƽ˶̶ڵϵĵƬֱܴƴֱڼиְʱԲбУԱСַɼȱǽṹӣлĶԲƬ˶ٶȲ̫죬һڼкȽϴĸְ

4ʽɼʽְֻĺлУʱַɼ˷ɼĵƬƽ˶аϺáϵ̶ܹڰڶϡڶ֧ƫϡϹƫģУһƫͨµµܿڰڶܵĻڻϵƫλ180㣬ʵתʱϵͬ½µɼжǣֻܼоֹΪܹ˶Ҫʹڶܹڶڶ²һƫĸ˽½ӣƫװںϡͨС֡ͬԲתʱͿͨͬԲ̡СֺͺϵƫˣʹΪڶʱƽ˶ʵְʽɼļй

     лֻ豸еãȻǹؼλãǣڳƷľȣ״Ҫãͬ͵ֻҪѡӦķɼ߲ܴﵽĿijߴ;ȡ

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