Both the accuracy and precision of the microcoulometric method were higher than those of the hydrogen-oxygen flame method ( ISO standard ) .
来自互联网
2. 基于氢氧焰的燃烧特性，设计了一种用于氢氧焊割设备的新型氢氧焰回火防止器。
Based on the combustion characteristics of oxyhydrogen flame, a new flash-back arrestor faced on oxyhydrogen flame applied for oxyhydrogen welding and cutting equipment is designed.
来自互联网
3. 基于氢氧焰的燃烧特性，设计了一种用于氢氧焊割设备的新型氢氧焰回火防止器。
Based on the combustion characteristics of oxyhydrogen flame, a new flash-back arrestor faced on oxyhydrogen flame applied for oxyhydrogen welding and cutting equipment is designed.
