【简答题】排桩采用( )桩与( )间隔布置的钻孔咬合桩形式时,支护桩的桩径可取 800mm~1500mm,相邻桩咬合长度不宜小于( )。素混凝土桩应采用塑性混凝土或强度等级不低于C15的超缓凝混凝土,其初凝时间宜控制在 40h~70h之间,坍落度宜取 12mm~14mm。
【单选题】Counter is the person who works in the________.
【单选题】( ) A person who works on a plane.
【单选题】A doctor is a person who works for people. [ ]
【简答题】客服的()()和()都对其购买决策具有很大的影响。
【单选题】If a person who works in a coal mine gets paid more than a person with a similar background and skills who works in a safer job, then
A.
coal miners must have greater human capital than others.
B.
we have observed a compensating differential.
C.
coal miners must be more attractive than other workers.
D.
we have evidence of discrimination against workers outside the coal mine.
【单选题】根据《建筑基坑支护技术规程》(DB11/489-2016)第5.7.3条,排桩采用素混凝土(或水泥土)桩与钢筋混凝土桩间隔布置的钻孔咬合桩形式时,相邻桩咬合长度不宜小于()mm。
【简答题】2,a person who works obsessively
【单选题】建筑基坑支护采用排桩时,当排桩采用素混凝土桩与钢筋混凝土桩间隔布置的钻孔咬合桩形式时,支护桩的桩径可取为()mm,相邻桩咬合长度不宜小于()mm。()