Enterprises of automobile and key components in Hubei are mainly joint ventures, which mainly employ technologies from foreign countries.
湖北汽车及关键零部件以合资企业为主，主要技术来自于国外。
The crankshafts are the key components for automobile engines and other internal-combustion engines, they are in great demand, various in kinds and strict demands for precision.
曲轴是汽车发动机和其他内燃机的关键零件，需求量大，种类众多，加工精度要求高。
应用推荐