a(chn)ƷQ JTHʽһwˮ̎O(sh)

ԓO(sh)ҪھסС^(q)(eС^(q))(yu)e^t(y)ԺCkǺˮ̎(jng)ԓO(sh)̎ijˮˮ|(zh)_(d) Ҏ(gu)ġˮCŷŘ(bio)(zhn)(GB8978-1996)ȫO(sh)
O(sh)ڵ£Q"ʽbbʹO(sh)\ЕrСA50db(ؐ)ϰoС^(q)Ҫ,܇h(hun)ϟoӰ
ԓʽˮ̎O(sh)ijʽóҎ(gu)߿ŚÓʩ
O(sh)̎ϵy(tng)ȫԄ늚ϵy(tng)O(sh)ψϵy(tng)\аȫɿƽrһ㲻Ҫ˹ֻmr،O(sh)M(jn)оSo(h)ͱB(yng)
JTHʽˮ̎bõĎNʹ÷
1 ܉̎ϵy(tng)CԏUˮƵЙCˮ
2 òP䓽Y(ji)(gu)gϻȃ(yu)ԣʹÉL_(d)50
3 ȫbʩףЙCеO(sh)ԄӻȫbÿO(sh)ڵر£
4 So(h)㣬O(sh)CȫԄӿϵy(tng)L(fng)Cø_L(fng)C
JTHʽˮ̎bõm÷
1 e^B(yng)Ժt(y)Ժ
2 סլС^(q)f(zhn)
3 ܇վwC۴a^
4 SVɽcL(fng)^(q)
5 cˮƵĸNI(y)ЙCUˮ
JTHʽˮ̎bc܇O(sh)
1
f(dng)O(sh)ھG؎ϲֻ˕rO(sh)A(ch)dɞ4t/m2ϣO(sh)cA(ch)ÿBԷˮO(sh)両𣨾wԔҊbʹf
2 ܇
f(dng)O(sh)ڵ·ͣ܇·rO(sh)ϲd䓽wooװ壬O(sh)䲻dwװĘ(gu)Dṩ