6850645 Oxygen Capusal Cell
6850930 Fast Oxygen Cell
MX01049 Oxytrace VE
以上都不是
第1题:
When anaerobic bacteria convert the sewage to an inert sludge, .
A.no oxygen is needed
B.oxygen is necessary
C.oxygen is given off
D.no gas is produced
第2题:
Deficient oxygen content inside a chain locker can be detected with ______.
A.litmus paper
B.a combustible gas indicator
C.an oxygen breathing apparatus
D.an oxygen indicator
第3题:
A.ch/cell
B.Erl./cell
C.c/I
第4题:
VOD法是Vacuum-Oxygen-Decarburization(真空吹氧脱碳)的缩写。
第5题:
溶解氧(dissolved oxygen DO)
第6题:
An oxygen indicator can be used to determine if there is ______.
A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hyfrogen gases present
D.All of the above
第7题:
GFM电池在25℃时的均充电压推荐值是多少?()
第8题:
oxygen
第9题:
用于衡量系统语音质量的指标是()
第10题:
SCG的主小区被称作()