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
点击查看答案&解析
相关考题
-
单项选择题
The sealing rings are in four parts and pressed together around the piston rods by means of （）.
A.nuts
B.bolts
C.coil springs
D.stuffing boxes -
单项选择题
The scavenging box is built of a number of sections provided with vertical flanges enabling them （） together to form two blocks.
A.being bolted
B.bolted
C.bolting
D.to be bolted -
单项选择题
The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
A.so a height
B.such a height
C.so high
D.such high
