室外燃气管道安装工程中,铸铁管与钢管之间的连接应采用()。
A.法兰连接
B.M型机械接口
C.承插连接
D.S型机械接口
参考答案:A
The goods which are carried into and out of the territory by the same vessel or aircraft are defined as
A.transit goods B.transshipment goodsC.through goods D.import and export goods
"网点撤站,正确的操作顺序是:()
①网点提供退款申请表及欠票的相关资料
②总部核实具体欠票金额及退款金额
③网点需将所有再库库存清理完毕
④总部协助走撤站退款流程
A.①②③④
B.②③①④
C.④③①②
D.③②①④