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          əCܺą(sh)
          2020-4-27 xΔ(sh)[849]

          əCܺą(sh)

          ںəCʹÕrܺĴСǴJPעһ}С́oԔBһ

          əCđ֪(sh)ܶԭrϵΠwСˮɻˮ=ˮ/ˮ=ˮ/(+ˮ)

           əCĺϵy(tng)ϵy(tng)w^Сˮ^СD(zhun)LͲϵy(tng)w^ˮ^ľмMLضȿ180-200180ˮ30-40ضȿԿ180ϡD(zhun)LͲˮ^ߕrضȿɿ200ϣˮضȿɿ160ͻD(zhun)LͲϵy(tng)ڸľмϕrMLضȿɿ200ľИI(y)еľ۲ó^180

          əCijLضȣˮ1%D(zhun)LͲϵy(tng)60ϵy(tng)5D(zhun)LͲϵy(tng)70ϵy(tng)90

          ںəCĹLCgʽӟLCLϵy(tng)LֱӼӟLCLϵy(tng)L1/3ȫ1000-2000LCtȡϵy(tng)LL1.3LC˷ȫȫ5500Pa;LC˷LtCȫ2000Pa

          һƪmøQһ

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