英语语法分析

Some airlines, however, are wary of gearboxes.

然而一些航空公司对齿轮箱持谨慎态度。

Other companies grumble about a lack of gearboxes and bearings.

而其它公司则抱怨缺少变速箱和齿轮。

Suzlon understands wind technology and Hansen understands only gearboxes.

苏司南拥有风力学的科技，汉森则仅仅以生产变速箱著称。