[单选题]() are mounted on and bolted to the bed-plate cross girders.A . The crankshaftB . The crankcaseC . The guide-waysD . The frame
[问答题] 煤层(coal bed)是?
[问答题]()Everyone was in bed except me.
[单选题]The bed-plate is secured in the longitudinal direction by means of bolts known as ().A . end-chock boltsB . side-chock boltsC . through boltsD . tie rod
[单选题]A-frames are mounted on the bed plate and support () and cylinder block.A . the main bearingB . the cylinder coverC . the entablatureD . the sum
[单选题]When does the lady usually go to bed?A.1: 00 a.m.B.2: 00 a.m.C.11: 00 p.m.D.12: 00p.m.
[单选题]Is there enough _________ in your house to put in this large bed?A.roomB.ro
[单选题]25. Peter goes to bed at around __________ .A. 9:05B. 9:15C. 9:50D. 9:00
[单选题]35. We go to bed_______.A. at seven fiveB. at fiveC., at about nine thirtyD. at about 4:25
[单选题]D.Imagine,one day,getting out of bed in Beijing and being at your office in Shanghai in only a couple of hours,and then,after a full day of work,going back home to Beijing and having dinner there.Sounds unusual,doesn't it? But it's not that unreali