Two-stroke engine turbocharging is achieved by two distinct methods, （） termed the constant pressure and the pulse system.

Turbocharging system may be designed to operate on eith...

单项选择题Turbocharging system may be designed to operate on either the （） or the constant pressure exhaust system.

Turbocharging of marine diesel engine is achieved by tw...

单项选择题Turbocharging of marine diesel engine is achieved by two distinct methods, （） termed the constant pressure and the pulse system.

To start the ejection process the oil feed to the centr...

单项选择题To start the ejection process the oil feed to the centrifuge is first shut off and the oil remaining in the bowl removed by admitting （）.