Smart electric trolley, the source and circuit diagrams, some functions have been achieved, other functions need perfect!(智能電動(dòng)小車(chē)，源程序和電路圖，部分功能已經(jīng)實(shí)現(xiàn)，其他的功能還需要完善！)

Grasshopper is a foldable electric bicycle that turns into a trolley for easy transport. The use of composite materials provides rigidity and strength.(蚱蜢自行車(chē)是一種可折疊的電動(dòng)自行車(chē)，它可以被折疊成手推車(chē)形，便于攜帶。復(fù)合材料的使用，保證了其硬度和強(qiáng)度。)

The utility model relates to a vacuum contactor-fuse combined electric appliance, particularly a hand trolley type horizontal pulling and isolating switch device.(本實(shí)用新型一種真空接觸器-熔斷器組合電器，涉及手車(chē)型水平拉引隔離的開(kāi)關(guān)裝置。)

Taking tapping trolley as an example, it introduces the adjustment procedure of the electric system and troubleshooting as well.(以出鋁小車(chē)行走為例介紹了多功能天車(chē)電氣系統(tǒng)的調(diào)試過(guò)程和常見(jiàn)故障處理。)

It added bright colorful lights, electric trolley cars, electric heat and refrigerators to our modern world.(它給我們現(xiàn)代社會(huì)增加了色彩繽紛的燈光，電車(chē)，電暖氣和電冰箱。)

Accurate gauge of electric energy that trolley buses consumed is realized via the intelligent Watt-hour meter, making the scientific management of trolley bus power possible at the same time.(實(shí)際應(yīng)用表明，該電能表可以實(shí)現(xiàn)無(wú)軌電車(chē)用電的準(zhǔn)確計(jì)量，同時(shí)為用電的科學(xué)管理打下了基礎(chǔ)。)