机械挖地槽、地坑如遇有桩基时,定额如何套用?
参考答案:
套有桩基子目,定额已综合考虑了群桩间挖土人工及机械降效。
血中还原红蛋白至少达多少时,皮肤黏膜可出现发绀()
A.>70g/L
B.>65g/L
C.>60g/L
D.>55g/L
E.>50g/L
—Excuse me. Can you tell _____ where the post office is?
—Sure. Walk ahead, turn left and you will see it. [ ]
A. I
B. me
C. my
D. mine