In the lubricating oil system of the main engine, the function of _____ is to adjust the amount of lubricating oil entering the lubricating oil cooler according to the temperature of the lubricating oil. A: self cleaning filter B: lubrication oil pump C: three-way valve D: by-pass filter

lubricating oil

splash lubricating

Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（）

lubricating翻译成中文为（）

The ______of the lubricating system is to supply all moving parts inside the engine with lubricating oil. A: funtion B: gaol C: purpose D: objecive

Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means （）. A: lubricating oil B: lubricating oil systems C: strainers D: cartridge

The amount of lubricating oil in the drain tank should be checked by （）.

Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（） A: Splash B: Gravity C: Pressure D: Bypa

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to the （）.