临修时，转8A型转向架须分解检查，侧架导框两侧摩擦面单侧磨耗（含局部磨耗）深度不大于（）。
A. 2mm
B. 4mm
C. 5mm
D. 6mm
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执行9101存款证明开立交易时，定期一本通账户输入以下哪几项应与409查询的子账户信息一致。（）
A. 子账户类别
B. 册号
C. 序号
D. 凭证号码
下列关于表情神态规范正确的是（）。
A. 亲切式微笑时，应自然露出上排6-8颗牙齿
B. 灿烂式微笑应做到面带笑意，笑不露齿
C. 距离客户比较远时，应使用亲切式微笑
D. 离客户3米处以及与客户沟通时，应使用亲切式微笑
What is the net effect of the following command？（） alter diskgroup dgroup1 drop disk abc；
A. The disk ABC will be dropped from the disk group. Since you did not issue a rebalance command，the data on that disk will be lost.
B. The command will raise an error indicating that you need to rebalance the disk group to remove the data from that disk prior to dropping the disk.
C. The disk group will be automatically rebalanced during the drop operation. Once the rebalancing is complete，the disk will be dropped.
D. This command will fail because you cannot drop a specific disk in an ASM disk group.
E. The disk drop command will be suspended for a predetermined amount of time，waiting for you to also issue an alter diskgroup rebalance command. Once you have issued the rebalance command，ASM will proceed to rebalance the disk group and then drop the disk.
5t三用天车，吊钩组自重G1=0.3t，电磁吸盘自重G2=1.2t，抓斗自重G3=1.5t，问天车最多能吸持多少钢锭？
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