即使是制造铝发动机外壳也仅仅花费几分钟时间。
Even making an aluminium engine block can take only a few minutes.
所有的发动机外壳是我的设计，由当地的球墨铸铁铸造厂铸造，(1韧性等级和美丽的机器！)
All the engine casings are to my design, cast by a local commercial foundry in spheroidal graphite iron, a ductile grade and beautiful to machine!
不过你可以在其他人装配发动机的同时做摩托车外壳喷漆。
But you could start painting the frame of the bike, whilst someone else is building the engine.
应用推荐