單項(xiàng)選擇題If you don’t understand the meaning of the technical terms of the diesel engine, you can （） the dictionary of machine technology.

A.look for
B.find out
C.consult
D.read


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2.單項(xiàng)選擇題For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.

A.the bottom of the column；the cylinder blocks
B.the top of the column；the cylinder heads
C.the top of the column；the cylinder blocks
D.the bottom of the column；the cylinder heads

3.單項(xiàng)選擇題As to the low speed diesel engine, if you want to change the coolant flow for a certain cylinder, you can regulate （）.

A.the inlet valve
B.the outlet valve
C.both the inlet valve and the outlet valve
D.the pump inlet valve

5.單項(xiàng)選擇題The opening or closing of the cylinder starting valve is controlled by （）.

A.the starting air distributor
B.the cut-off valve on the air main
C.the main starting valve
D.the air bottle control valve