2) Portable Marking System
便携式标记打标机
3) portable typewriter
便携式打字机
4) portable printer
便携式打印机
5) portable pile driver for preventing flood and rushing to deal with an emergency
便携式防汛抢险打桩机
1.
In accordance with the characteristic of the light quality about the portable pile driver for preventing flood and rushing to deal with an emergency,the mathematics model of the reduction device about the power-driven system is established,and optimal design of the reduction device is carried out using the complex method.
针对便携式防汛抢险打桩机质量轻的特点，建立了动力传动装置中减速器的数学模型，并用复合形法对减速器进行优化设计。
6) portable electronic typewriter
便携式电子打字机
补充资料：便携式
（形体）便于携带的：～计算机 ㄧ～罐装燃料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条