This paper presented the effects of a pilot scale experiment on algae removal by direct filtration apparatus consisted of a drum on which polypropylene fiber silk was fixed.
以丙纶丝为滤料，以自制转鼓装置对高藻原水进行直接过滤除藻试验。
2
The production apparatus includes wire drawing rotary drum, movable drawing furnace, air pump, drafting platform and stove.
玻璃纤维连续单丝毡的生产设备包括拉丝转筒、可移动的拉丝炉台、气泵、牵伸平台和烘箱。
3
A pattern forming apparatus is provided with a drum-shaped engraved plate (1) which rotates along a medium to which a pattern is to be transferred.