tap的中文定义是开发

Here it means something like " becoming a part of something to use it as a resource for your benefit." So the robot maker is becoming a part of the Chinese manufacturer's company, and will use their resources for his own benefit.

In this sentence "tap" means to have an advantage of. By partnering with the manufacturer, they will have an advantage in the industrial robot market.

It means "exploit".

In this case it means 'to access', to get access to, to get a share of . . It is often written as 'to tap in to' something It can be thought of as installing a tap like a water faucet to access a supply or flow of a product, or a demand or market for a product.