The electrical connection in the photoelectric ele mjzwx ator involves electronics 光电升降机内的电气连接涉及到电子学。
2.
This thesis is devoted to the investigation of some problems concerning reflexive oper - ator algebras 本文主要研究自反算子代数中的若干问题。
3.
Ator , cod ( contract order data ) , seb ( standard equipment ) , ods ( electronic order data sheet ) , std drawing and material list , cost evaluation model , pp3 ( submit passport 3 ) 熟悉产品开发整个过程：项目计划建立，销售规格书制定，标准产品设备手册，电子订货单，标准产品图纸和物料表，成本模型的建立，项目发布提交。
4.
The article elaborates the construction and principle of operation and process craft of the tube and corrugated fin rad i ator , and studies the heat transfer mechani sm and the fluid resistance characteristics of the tube and corrugated fin radiator 本文阐述了管带式散热器的结构、工作原理和加工工艺；研究了管带式散热器的传热及流动阻力特性；进行了散热器性能强化的影响因素与有效途径分析。
