国产精品亚洲欧美大片在线观看,亚洲综合色婷婷六月丁香宅男大增,九九国产精品无码免费视频,老司机午夜免费精品视频

雙冷鋁合金風(fēng)機(jī)<p><span style=";font-family:Tahoma;color:rgb(51,51,51);font-size:13px;background:rgb(255,255,255)">DTF<span style="font-family:宋體">系列風(fēng)機(jī)是我公司專(zhuān)為冷卻塔配套而研制開(kāi)發(fā)的產(chǎn)品，其中</span><span style="font-family:Tahoma">5#</span><span style="font-family:宋體">－</span><span style="font-family:Tahoma">18#</span><span style="font-family:宋體">風(fēng)機(jī)采用鋼板輪轂，</span><span style="font-family:Tahoma">20#</span><span style="font-family:宋體">－</span><span style="font-family:Tahoma">60#</span><span style="font-family:宋體">風(fēng)機(jī)采用鋼板焊接輪轂，風(fēng)機(jī)葉片采用硬鋁合金材質(zhì)</span><span style="font-family:Tahoma">,</span><span style="font-family:宋體">經(jīng)剪裁、滾弧成形</span><span style="font-family:Tahoma">,</span><span style="font-family:宋體">葉片厚度：</span><