䵫^ֽضcȵƽ“wМض”m“ˬֽ”ĸМ؝ƽƼgԼgͻƿ{һƵƣFضȺ͝ȵĪԽͨů؝ƽijmg
LMXײϵTᘌԢסլOӋ{
LMXϵcСCЃɷɏdɏdķɏdNײʽ`105O~200Oͬ͵Ŀ{ÑuՓ挍ģ{Ѓur
PMXϿ LMX¿@Nfe`@ɂϵϲһˣֻһ_C϶LMX@ϵԃrDZ^ߵPMXÃ_C̫mrLϵy࣬ҽhĂxĂ
PMXϵЮaƷrLMXϵЮaƷͣҲ¿fą^ePMXcLMXҪ^eCķ֧֧ҪýֲӾPMXĹԭͬr_ɵ_șCrC_șCЧҪ^h_șCLMXʹ˷֧ǾֲýÿșCЧԱCһσșChxLMXϵ
LMXϵп{yu
ÌIyԇxڿ{Ӻքe{ͬL\ЕrMМyuyuyuhҪ^҂քe҃șCL̎Լx{2̎λÌ{\Mӛ
ıuyĽYδ_{r҃ȭhH31.5dBL\ЕrL2m̎H36.9dBL\ЕrL2m̎_41.5dBMʹÿ{^ʹóL\еl^مָȿԿ҃șC\^е^
yԇ
ͨ^ֱ^Ĕ҂˽_п{СrĺH飨3123.71-3121.32-3121.32- 3121.25×3=2.18kwhH_һ_yԇ{СrH飨3124.81-3123.71-3121.32- 3121.25×3=0.89kwhһСr늼s1.78kwhҡ
ͨ^ڿ{L١ԼyuYLMXϵ{ơL١F^ѡ
һƪ
LMXϵм{,{Ļ
һƪ
ص0.3m/sܛL؝ƽ3DLʽ҃șC