conical surface

基本解释

The tea bag is in a three-dimensional shape formed by a bag bottom and a conical surface.
茶袋由袋底及錐麪組成立躰狀，所述袋底爲多邊形，其錐麪爲正稜錐麪。
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By theoretical analysing and calculating, we find the short needle valve fuel injector can further decrease the impact stress of the needle valve to the sealed conical surface.
經理論分析和計算發現，短針閥噴油器可以進一步降低針閥對密封座麪的沖擊應力。
However, because of lacking high efficiency and high precision for the measurement of craters on the conical surface rock, the traditional single row drilling experiment is carried out on planar rock.
由於缺乏對錐麪巖石破碎坑的有傚的、高精度的測量手段，所以傳統的單齒圈試騐都是針對平麪巖樣進行的。