您要查找的是不是：
- 低Cr钢low Cr steel
- 低Cr合金钢low Cr alloying steel
- 一种低Cr高W型铸造镍基高温合金的显微组织及其稳定性Microstructure and stability of a cast Ni-base superalloy containing low level of Cr and high level of W
- 低的low-lying
- 低成本low cost
- 高低(adv) simply; just
- 较低的lower
- 偏低on the low side
- 低端low end
- 较低lower
- 超低ultralow
- 低点low
- 低效率ineffectiveness
- 低值易耗品low priced and easily worn articles
- 低等inferior
- 效率低inefficiency
- 低层low level
- 低碳low-carbon (LC)
- 放低avale
- 低地lowland
