If you have mechanical experience, consider applying to be a ___________ or __________. A: porter;switchman B: porter;carman C: welder;carman D: mechanic;carman

If you have mechanical experience, consider applying to be a mechanic___1___or carman.

If you have mechanical experience, consider applying to be a mechanic or carman ___1___.

句子翻译： If you have mechanical experience, consider applying to be a mechanic or carman.

Choose the correct word for the definition: a person who is responsible for maintaining ,inspecting and repairing the rail cars A: carman B: switchman C: porte