用于加工流动性好且制品形状简单、壁厚较大的物料,注射压力应选用()。
A.70~100MPA
B.<70MPA
C.100~140MPA
D.140~180MPA
参考答案:B
—Why have you got so much water here?
—For the players. They need to ________ lots of it after the match.
A.take in
B.take out
C.take up
D.take off
在上网发行资金申购流程中,发行人和主承销商应在( )日前提供确定的发行价格。
A.T+1
B.T+2
C.T+3
D.T+4