结果表明:兰州地区豌豆蚜性雌蚜均为无翅型,而雄蚜均为有翅型。
The results showed that the ovipara of pea aphid in Lanzhou area were wingless, while males were winged.
HIMOD系列旗舰型采用了交互“V型”盘管,采用了带内螺纹的铜管及冲缝型翅片,比采用传统式盘管的机组有更高的传热效率。
HIMOD flagship series USES interactive "type v" coil, the internal thread copper tube and punched slotted fin, and heat transfer efficiency is higher than the traditional coil unit.
HIMOD系列旗舰型采用了交互“V型”盘管,采用了带内螺纹的铜管及冲缝型翅片,比采用传统式盘管的机组有更高的传热效率。
HIMOD flagship series USES interactive "type v" coil, the internal thread copper tube and punched slotted fin, and heat transfer efficiency is higher than the traditional coil unit.
应用推荐