灌注桩桩顶的混凝土强度不得低于桩身混凝土强度且()。
A. ≥C
B. ≥C
C. ≥C
D. ≥C
敞车端墙板内凹、外胀大于()时调修。
A. 10mm
B. 20mm
C. 30mm
D. 50mm
Itisusefultoscience()theearthasanobjectinspace.
A. toconsider
B. whichconsiders
C. considers
D. theconsiderationof
()withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
A. Ifyoucompare
B. Comparethem
C. Whencompared
D. Acomparison