压力管道三通在运行5万小时后进行第一次检查,其抽查比例为三通总数的()。
A. 5%
B. 10%
C. 15%
D. 20%
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从事进出口种苗花卉生产经营企业要建立产品进货和销售台账,且至少保存3年。
A. 正确
B. 错误
第三代UOP连续重整再生工艺(Cyclemax)再生器增加再加热和冷却区的目的是什么?
All client computers on your company network run Windows 7 and are members of an Active Directory Domain Services domain. Employees using portable computers report that they get connected to a coffee shop wireless network from the company conference room. You need to ensure that the employees connect to the company wireless network by default from anywhere within the company premises. What should you do?()
A. Configure the Network authentication (Shared mode) setting.
B. Apply a Wireless Network Policy to set the network type to WPA-PS
C. Apply a Wireless Network Policy to automatically connect to the company wireless network.
D. Apply a Wireless Network Policy to set the company wireless network as the preferred network.
易受机械损伤之处,地面上()m至地面下0.3m的一段接地线,应采用暗敷或采用镀锌角钢、改性塑料管或橡胶管等加以保护。
A. 1.1
B. 1.3
C. 1.5
D. 1.7