粗大浓稠硕大噗嗤噗嗤h,精品人妻码一区二区三区,国产av无码专区亚洲精品,日韩a片无码毛片免费看小说

變風量閥//dazhivav.b2b.huishangbao.com/<\/strong> <\/span><\/strong>多出口消聲分風箱  <\/p>

1<\/span>、外表面關(guān)鍵部件采用厚度不低于1.2mm鍍鋅鋼板制作。<\/span><\/p>

2<\/span>、箱壁內(nèi)貼吸聲保溫材料，厚度不低于<\/span>25<\/span>mm<\/span>，密度不低于48 Kg/m3，與箱壁采用粘釘或粘接劑等防脫落措施，吸聲保溫材料采用無甲醛環(huán)保產(chǎn)品。<\/span><\/p>

3<\/span>、箱體<\/span><\/a>開孔處應采用防飛散處理。<\/span><\/p>

4<\/span>、出風口<\/span><\/a>設置與軟管連接的短管，短管做卡槽與軟管采用卡箍連接。<\/span><\/p>

需要變風量閥<\/strong><\/a>多出口消聲分風箱，打13975184075找楊工。<\/span><\/span><\/p><\/div>