需要设置、使用无线电频率台站的单位或者个人应当按照规定向无线电管理机构提出申请时,以下可以使用的申请形式有()
A. 信函
B. 传真
C. 口头
D. 电子邮件
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男性,38岁,体检发现尿路结石入院,入院后检查发现胃溃疡。查血钙为3mg/dl,血磷2mg/()
A. 原发性尿路结石
B. 肾癌
C. 胰腺癌
D. 甲状旁腺功能亢进
E. 以上都不是
依据《湖南省住宅工程质量通病防治技术规程》DBJ43/T306-2014第8.1.7条,倒置式屋面应设置透气孔或排气槽。
A. 正确
B. 错误
瓦斯积聚时浓度和体积为()。
A. 0.5%,1m3
B. 1%,0.5m3
C. 1.5%,0.5m3
D. 2%,0.5m3
After received the “finished with engine” instruction, which of the following operations is false?()
A. shut off the starting air receiver outlet valve
B. stop the FO priming transfer pump and shut off the correspondence inlet and outlet valve
C. stop the SW pump immediately and shut off the correspondence inlet and outlet valve
D. stop the FW pump immediately and shut off the correspondence inlet and outlet valve