A . cylinder cover
B . cross-head shoes
C . guide-ways
D . scavenging boxe
[单选题]The cross-head shoes are white metal ().A . liningB . linedC . madeD . i
[单选题]The cross-head shoes are white metal lined, grooves being cut horizontally on the face of the white metal to ensure ().A . an adequate supply of lube oilB . an adequate supply of fuel oilC . an adequate supply of turbine oilD . an adequate supply of
[单选题]The cast iron guide-ways for () are attached to the top section and seal off the crankcase.A . the connecting rodB . the cross-headC . the piston rodD . the air box
[单选题]Cast iron carrier rings, () machined grooves, are provided for all the pistons.A . caulked intoB . caulking intoC . pressed intoD . screwed into
[试题]Meltedironispouredintothemixermuch_________teaispouredintoacupfromateapot.A.)inthesamewaylikeB)inthesamewaywhichC.)inthesamewayD)inthesamewayas
[单选题]Beef is anexcellent [material] of iron.A.beginningB.storageC.sourceD.substa
[问答题] 单交(single cross)
[问答题] 复交(multiple cross)