A、put back in service if some CO2 remains
B、hydrostatically tested
C、retagged
D、recharged
更多“After using a C0<sub>2</sub> portable extinguisher,it should be（）.”相关的问题
A、CO<sub>2sub> does not cool the fire B、cylinders are regulated pressure vessels C、C0<sub>2sub> is not effective on class B fires D、C0<sub>2sub> is not effective on class C fires
A、I<sub>c0sub>、I<sub>c1sub>增加、P<sub>0sub>增加 B、I<sub>c0sub>、I<sub>c1sub>减小、P<sub>0sub>增加 C、I<sub>c0sub>、I<sub>c1sub>减小、P<sub>0sub>减小 D、I<sub>c0sub>、I<sub>c1sub>增加、P<sub>0sub>减小
A、C0<sub>2sub>、N<sub>2sub> B、CH<sub>4sub>、H<sub>2sub> C、CH<sub>4sub>、C0<sub>2sub> D、0<sub>2sub>、H<sub>2sub>
A、C0<sub>2sub>和H<sub>2sub>0中的0就是产物中0<sub>2sub>的来源 B、C0<sub>2sub>被固定之后H<sub>2sub>0就被分解 C、H<sub>2sub>0在光下裂解就产生了C0<sub>2sub>固定所必需的有机物 D、0<sub>2sub>的释放和（CH<sub>2sub>0）的产生是两个相对独立的过程
A、remotely operated valves B、fusible links C、C0<sub>2sub> system pressure switches D、heat or smoke detectors
A、the "snow" which is sometimes discharged along with the gas is toxic B、prolonged exposure to high concentrations of C0<sub>2 sub>gas causes suffocation C、rapid dissipation of theC0<sub>2sub> vapor D、the C0<sub>2sub> gas is lighter than air and a large amount is required to extinguisha fire near the deck
A、BC段较AB段上升缓慢，是因为低温使植物呼吸作用减弱 B、C0<sub>2sub>浓度下降从D点开始，说明植物光合作用是从D点之前开始的，D点时植物光合速率与呼吸速率相等 C、FG段C0<sub>2sub>浓度下降不明显，是因为部分气孔关闭，叶片对C02吸收减少，24点钟植物有机物总量比O点钟少 D、H点玻璃罩内C0<sub>2sub>浓度最低，此时植物对C0<sub>2sub>积累最少，植物的光合速率与呼吸速率相等
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