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ߣˮ Դwww.hszjk.com ʱ䣺2020-3-11   ٶһ

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1.Ȼ֧Ź̶֧θ֧ͨ ķϩĻʵ֧ת̣תСתֻ֧뾶 ķϩĦϵйأ֧תǴС޹أرڴתǵҪתǿɴ0.05radƷ֧ڹ֧ĻIJƷܹ,,Ǹֽṹ̶Խڵ֧֧Ϊ̶,λͺ˫λʽ֧ˮƽλ֧,ҵ,λ͵װλˮƽ,Чǽ½¹,͸ֽṹӦ֧ܿƬճ϶һ֧ͨƷ,ֲƷ㹻ն,ܹ֧ϲķɿĴݸ̨,֧õĵ,Ӧ˵תнϴļбϲˮƽλơdzṹƵʱʩ󽽴ķһǡṹƹ淶Ҫ(30-40һ)һǡӼӦü淶Ҫ(60һ)ʩʱúߵġӵؿȫʩѾ34ˣ󽽴Ҳᳬ2ϵģʵع۲ǽװͶıϸѷͬĹ̡

2.²Ӱ졣ģֱġЩԼǷã磺ؿ׮ã׮̨䵹õ͵װĦ裬߲¥͵³װȳ2ԼܲĴֱ׮ؿ¥ĸֽǽԼáͬʱԼĴϱؽֱȽ϶ıѷģʵʵĹ۲Dzģ˵ĸ֮ļûдı仯ģʵϣؿĵװ塢ǽͶ岢ǸԵ壬ͨ޷ȽȷĽģͨ϶²ӰҪԭ.

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