强度级 intensity level
volume level
- 前三个强度级几乎可以区分所有字符。
Almost all characters can be distinguished by the first three strength levels. - 这个属性不影响排序键的长度,除非还增加了强度级。
Sort key length will not be affected unless the strength level is also increased. - 摩擦焊不仅可焊接钢、铝、铜,还成功地焊接了高温强度级相差很大的异种金属。
It may not only welding steel, aluminum and copper, but also welding successfully the different kind of metal.