A . the connecting rod
B . the cross-head
C . the piston rod
D . the air box
[单选题]The cast iron()for the cross-head are attached to the top section and seal off the crankcase.A . cylinder coverB . cross-head shoesC . guide-waysD . scavenging boxe
[单选题]Cast iron carrier rings, () machined grooves, are provided for all the pistons.A . caulked intoB . caulking intoC . pressed intoD . screwed into
[单选题]With the guide _________the way, the rescue team set off on foot into the dark night.A. leadsB. ledC. leadingD. to lead
[单选题]Which is( ), iron or copper?A.heavierB.heavyC.more heavyD.much heavy
[单选题]What is most probably a “town guide “in the conservatism?A. A bookB. A personC. A shop
[单选题]B.elow is a housing guide for students going to London.B.elow is a housing guide for students going to London. University accommodation (住所) officesMany university accommodation offices have their own list of registered landlords (房东). Others also pr
[单选题]Beef is anexcellent [material] of iron.A.beginningB.storageC.sourceD.substa
[试题]Meltedironispouredintothemixermuch_________teaispouredintoacupfromateapot.A.)inthesamewaylikeB)inthesamewaywhichC.)inthesamewayD)inthesamewayas
[单选题]B.B.elow is a housing guide for students going to London.University accommodation (住所)officesMany university accommodation offices have their own list of registered landlords (房东). Others also provide information on accommodation agencies and other h