某桥式起重机大车跨度为22m,其大车驱动机构应为()驱动。(集中?分别?)
查看答案
汽车起重机在变幅过程中不允许挂吊载,此种变幅为()变幅。(调整性?工作性? )
【单选题】Howwouldyoulikeyoursteak,mediumorwell-done?
A. Rare.
B. Well-done.
C. Yes,please.
D. It’sverydelicious.
【单选题】Doyouneedsomedrinks?
Alemonade,please.
B. That’sright.
C. Somecaviar,please.
D. It’sOK.
【单选题】Whatsizepizzawouldyoulike,smallormedium?
A. Medium,please.
B. Sorry,Idon’tknow.
C. Ilikepizza.
D. Big,please.