单项选择题
A.the steering B.the driven gear C.the turning gear D.the timing gear
The selection of an oil from the （） depends to a great ...
单项选择题The selection of an oil from the （） depends to a great extent on the operating conditions, the design of the engine and the type of fuel to be burned.
A.commercially available B.commercially C.commercial available D.commerce available
The selection of an oil depends （） on the operating con...
单项选择题The selection of an oil depends （） on the operating conditions, the design of the engine and the type of fuel to be burned.
A.to a great extent B.on a great extent C.on mainly D.on only
The selection of a lubricating oil depends to a great e...
单项选择题The selection of a lubricating oil depends to a great extent on the operating conditions,（）.
A.the type of coolant B.the design of the engine C.the type of fuel to be burned D.B and C
