ܭh{mڸNϵͨLоGɫhܵͺЧõcֻ_ʹܰl]ܭh{ƻLC늺ʹff|ݸܭh{SҪעʲô}
1Ҫ
(1)S܇g횱һͬ՚❍ȵĝ^֮gԼ^cǝ^֮goС5Paָʾb;
(2)ܭh{S،ډĿǺҪa`ЧؿƷۉmȾԴۉmԴķg(^)oС(^)Դˁܭh{S^ĭh
2ƣ
(1)^(g)hҪOӋLrȡʩO估L;
(2)^(g)hҪܭh{CML̎OӋoԿO估L;
(3)ЧؿO估LOӋr]̎Դˁ^(g)ĭh҃ӑByԇr^75dBA
3mԿ{ϵy㣺
(1)҃ͨOӋ10~50Pa֮grɰ10~15Paxȡ;
(2)mԿ{ϵyǴ_ܭh{CMܿ˷ϵyͬr߀Lݔϵyɂ棺L҃;
(3)LسĦ;ֲسĦrLܿɰ2~4Pa/mMйֲr׃ܿɽ35 Pa/Mйͨɰ40 Pa/Mй^ɰ25Pa/Mй
ƻLCaN۹ܭh{|ݸܭh{ṩIĹܭh{bṩIͨLطgӭԃ
