PORTABLE OXYGEN BOTTLE是指()
A、便携式应急定位发射器
B、防护式呼吸装置
C、干粉化学灭火瓶
D、便携式氧气瓶
A、便携式应急定位发射器
B、防护式呼吸装置
C、干粉化学灭火瓶
D、便携式氧气瓶
A、litmus paper B、combustible gas indicator C、oxygen breathing apparatus D、oxygen indicator
A、litmus paper B、a combustible gas indicator C、an oxygen breathing apparatus D、an oxygen indicator
A、A.litmus paper B、B.a combustible gas indicator C、C.an oxygen breathing apparatus D、D.an oxygen indicator
A、在Desktop1设置Sales文件夹的临时文件为永久的保存文件的临时文件,在Portable1,在脱机文件表中选中登陆时同步脱机文件选项 B、在Desktop1设置Sales文件夹的临时文件为自动的保存文件和程序的临时文件,在Portable1,在脱机文件表中选中登陆时同步脱机文件选项 C、在Portable1,右击Sales文件夹,并选中脱机可用 D、在Portable1,右击Sales文件夹,并选中制定网络驱动
A、Fixed CO2,semi-portable CO2, then hand portable CO2 B、Semi-portable CO2, fixedCO2, then hand portable CO2 C、Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system D、Hand portable, fixed CO2, then as a last resort the semi-portable CO2
A、the radio apparatus fitted on the portside B、the radio with a portable equipment C、the radio equipment which is easily movable D、the portable radio with some apparatus