銳緣孔 的英文怎麼說
中文拼音 [ruìyuánkǒng]
銳緣孔
英文
sharp-edged orifice-
Grinding wheel continues with an infinite number of hard, sharp and refractory grits on edge surface at a high speed of swing operation to cut and grind over the surface of work piece, and unceasing self - sharpening grains and pore continue to grind a tool for every kind of material
砂輪是經由高速回轉運作中，以其在外緣表面植無數上千萬之硬銳耐溫之小磨粒連續在工作物表面切削磨除，且不斷的自生銳利顆粒與磨屑空隙氣孔，繼續對各種材料做磨削工作的一種研磨工具。It has rounded shoulders inside instead of the sharp orifice-like edge.
在內部作成圓形凸肩以代替銳緣孔板狀的側面。After the introduction of the innovations and the improvements of foreign hydraulic shock absorbers, the profound cushion mechanics study is done aiming to the shock absorbers chosen for the thesis ; the cushion process of hydraulic shock absorbers can be divided into several stages, which include local pressure loss caused by across sectional area shrinking, sharp edge throttling and aperture throttling
在對國外新型液壓緩沖器的研究基礎上，針對本課題所選液壓緩沖器的結構特點，提出了分階段建立機理數學模型方法。將液壓緩沖器緩沖過程分為：由於流道斷面突然收縮引起的局部壓力損失階段，緩沖柱塞的邊緣和緩沖孔的邊緣形成銳緣節流階段，當緩沖柱塞進入緩沖孔中形成的縫隙節流階段等三過程。
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