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。

Now we produce 16 series gearboxes and more than 300 varieties.

现生产的农用齿轮箱有16个系列，300多个品种。

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。

Applications include leaky gearboxes oven chains and conveyor chains.

还可以应用在渗漏的齿轮箱、锅炉链条和传送链。