The mechanism can readily be applied to injection devices which are not provided with a scaledrum.
该机构可容易地用于不具有刻度卷筒的注射装置。
2
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。
3
The heat transferring drum pipe, its heat insulativity and its heat-insulating Layer's thickness have not the distance scale.