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abbr. geared rotary actuator 齿轮式转阀促动器
gra 用法和例句
- Maria de gra ç as silva foster
- 4.玛丽亚•德•格雷卡斯•席尔瓦•福斯特
- Managed gra lands : a greenhouse gas sink or source ?
- 管理的草原:温室气体汇(下沉)还是源?
- As he flew close , she gra ed him wildly .
- 鸟儿飞近时,她死命将它抓住。
- The gra seeks her crowd in the earth .
- 绿草求她地上的伴侣。
- Research on the spring fire-risk forecasting model in dry gra .
- 内蒙古干草原春季火险预报模型的研究。