demand for use properties 使用性能要求
Fuel meeting the required properties for use in jet engines and aircraft turbine engines.
满足喷气式发动机和涡轮式航空发动机用燃料所要求的性能的燃料。
A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.
掺杂质,掺质剂加入纯半导体材料中的少量硼等物质,用于晶体管和二极管中以改变半导体的。
This pulse process parameters is the same with these three materials hereinbefore with good stability, and beautiful appearance, excellent properties for use.
这种脉冲电镀工艺适用于以上三种材料,稳定性好,得到的镀层外表美观,性能优异。
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