trial bore 中文意思是什麼
trial bore
解釋
試孔-
In consideration of time and budget factor, the first step is to manufacture 8 - type ( groove axle structure ) and circle bore type mechanical heart valve. here, the concentration is on the structure design, process and process equipment design, and manufacture of valve on a trial basis
考慮到時間進程和經費因素,初步選定進行8字型凹槽樞軸結構平面瓣型及圓柱孔樞軸圓孔型心瓣進行試制加工,本論文工作的重點是人工心臟瓣膜的結構設計,工藝和工藝裝備設計,以及人工心臟瓣膜試制。
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