W(xu)
Դ:http://www.szgoldenboard.com/ | l(f)rg:2025/7/31 | g[Δ(sh)
ؽC(j)
⻬淴(sh)(yn)җl20mmȸ_(d)36dB
Y(ji)(gu)(yu)픲(ni)O(sh)Ӌ(j)(qing)@Ӌ(j)(qun)35-40dB
ܷ⿹?ji)Bwgðҧ+opb乤ˇp϶30dBй¶
;cm(yng)͜ط-30~110}FgʹÉ25ģKO(sh)Ӌ(j)֧DN15-DN600ڏm72Сr(ni)ɬF(xin)bԴhttp://www.szgoldenboard.com/
P(gun)I֣,ĵַhttp://www.szgoldenboard.com/hangyexinwen/2_10342.html

