A、A.when the remaining charge volume is less than 90 percent of the required VOLUME
B、B.at each inspection for certification
C、C.at each annual inspection
D、D.when the weight loss exceeds 10% of weight of charge
更多“Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.”相关的问题
A、Dry chemical and carbon dioxide B、Foam (stored pressure) and soda-acid C、Carbon dioxide and foam (stored pressure) D、Dry chemical and soda-acid
A、Dry chemical (cartridge-operated) B、Water (cartridge-operated) C、Water (pump tank) D、Carbon dioxide
A、aldehydes and carbon dioxide B、water vapor and carbon monoxide C、nitrogen and carbon monoxide D、water vapor and carbon dioxide
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
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