Piston No2 of main engine has been removed， and it will be （） by noon tomorrow.
举一反三
- No other automotive engine has been able to its toughness and economy.
- We are going to have a picnic if it ______ fine tomorrow. A: is B: will be C: has been
- —Do you think it will be cool tomorrow? —______. It has been too hot for a week.
- For a diesel engine， when the piston is at the （）， the clearance volume is the largest.
- A diesel engine piston ring face is in direct contact with the （）.