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问题 单项选择题

FIDIC合同条件中适用于土木工程和房屋建筑工程的是( )。

A．《施工合同条件》

B．《客户/咨询工程师服务协议书范本》

C．《设计采购与施工(EPC)/交钥匙工程合同条件》

D．《设计、施工与运营合同条件》

答案

参考答案：A

单项选择题

焊接时接头根部未完全熔透的现象叫（）。

A、气孔

B、未熔合

C、焊接裂纹

D、未焊透
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单项选择题

A Bluetooth device can be either a master or a slave and any of the devices within a ___30___can be the master. There is only one master and there can be up to ___31___ active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to ___32___.parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to ___33___ mode before it can become active. Within a network, all ___34___ communications are prohibited.

34（）

A. master-to-master

B. Master-to-slave

C. slave-to-slave

D. Slave-to-master
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