在用袋装砂井法进行软土处理施工工艺程序中,以下程序正确的是()。
A. 整平原地面→机具定位→摊铺下层砂垫层→打人套管一沉人砂袋→拔出套管→机具移位→埋砂袋头→摊铺上层砂垫层
B. 整平原地面→摊铺下层砂垫层→机具定位→沉人砂袋→打人套管→拔出套管→机具移位→埋砂袋头→摊铺上层砂垫层
C. 整平原地面→摊铺下层砂垫层+机具定位→打人套管→沉人砂袋→拔出套管→机具移位→埋砂袋头→摊铺上层砂垫层
D. 整平原地面→摊铺下层砂垫层→机具定位→打人套管→沉人砂袋→拔出套管→机具移位→摊铺上层砂垫层→埋砂袋头
If you want to see a doctor, you fix a date with him ahead of timeThat is a common ______in the USA.
A. sense
B. practice
C. rule
D. point
The use of a credit card is most similar to______.
A. creating legal tender
B. reducing the value of the dollar
C. purchasing a certificate of deposit
D. obtaining a short-term loan from a commercial bank
客户发出当日有效的委托指令,买卖部分成交,客户有权变更原来所有的委托指令。 ()
A. 正确
B. 错误