spiral hole 中文意思是什麼
spiral hole
解釋
呈螺旋狀彎曲的鉆孔-
Study on blasting mechanism and its engineering use of spiral cutting with big empty hole in rock under - excavation
巖石工程大空孔螺旋掏槽爆破機理研究及應用 -
In the picture, clearly visible areas were the spiral rainbands white of wanda. the dark hole in the centre of the rainbands was the typhoon eye
圖中清楚可見的地方是溫黛的螺旋雨帶白色，而雨帶圍繞著的黑色中心便是該臺風的風眼。 -
In the picture, clearly visible areas were the spiral rainbands ( white ) of wanda. the dark hole in the centre of the rainbands was the typhoon eye
圖中清楚可見的地方是溫黛的螺旋雨帶（白色） ，而雨帶圍繞著的黑色中心便是該臺風的風眼。 -
Modelling and test study of the influence of the boring bar diameter on spiral ditch in deep - hole boring
深孔鏜削中鏜桿直徑對螺旋溝影響的模型和試驗研究 -
Material : plies of 100 % cotton cloth sewed in the form of a spiral around the center hole
材料：用定織純棉布多層折疊，車縫中心製成。
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