cut-out hole 中文意思是什麼
cut-out hole
解釋
截孔-
Cut out several seaweed pieces from green craft foam. poke a hole nea the bottom of each. use fishing line to tie a metal nut to each piece of seaweed
用綠色的工藝泡沫材料紙剪幾株水草，在每株水草的地步鉆個洞，然後用魚線給每株水草上系一個螺母。 -
To cut a hole thro my new fortification like a sink to let the water go out, which would else have drown d my cave
這就是在圍墻腳下開一個洞，像一條排水溝，這樣就可把水放出去，以免把山洞淹沒。 -
Studies have shown, lead impeller nozzle it forms the hole to be equal to size of the nozzle, gush out from light, difficult to arrange bits and realize it cut one layer of advantages effectively ; under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock
以此設計出限速部分的參數，且初步討論射流功率與轉速之間的關系。研究表明，內導葉輪噴頭形成鉆孔孔徑與噴頭大小相當，有效噴距小，不易排屑和實現其切向剝層優勢；同等條件下，自旋轉噴頭，成孔孔徑大小可依實際需要設計，有效噴距較長，易於發揮其脈沖破巖作用。
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