旋裂葉 的英文怎麼說
中文拼音 [xuánlièyè]
旋裂葉
英文
spiral leaf-
Leaf emergence was checked, and a considerable portion of the leaf was crushed in a close spiral.
葉片抽出部分被抑制、且緊閉的螺旋狀葉片大部分產生破裂。Leaves crowded near apex of the trunk, spirally arranged ; stipes dark brown, with sharp spines ; lamina large, oblong, tripinnate ; pinnae 17 - 20 pairs, alternate, longest one to 60 cm long, the basal one reduced ; rachis short - spiny ; pinnules 18 - 20 pairs, sessile or nearly so, lanceolate, to 10 cm long and 2. 5 cm wide, divided almost to the costa ; segments more or less falcate, toothed
葉螺旋狀排列，聚生於莖端；葉柄棕色，具銳刺；葉片大，長矩圓形，三回羽狀深裂；羽片17 - 20對，互生，最大的長達60厘米，基部一對縮短，羽軸有短刺；小羽片18 - 20對，無柄或近於無柄，披針形，長達10厘米，寬2 . 5厘米，深裂幾達中脈；末回裂片多少鐮狀，有齒。Abstract : based on problems occurred during the service of the ls spiral conveyer, such as, jam of uncharging orifice, short usefull life of the drop - hanger bearings, easy rupture of connecting parts ; quick wear of spiral vane, etc. and according to the practice of casting process, analysis of break downs, the author put forward the improvement ideas in order to promote the level of the design and manufacture for spiral conveyers
文摘:針對ls型輸送機使用中存在的一些問題，如卸料口積料堵塞、吊軸承使用壽命短、連接件易斷裂、螺旋葉片磨損快等問題，依據在鑄造生產中的使用實踐，進行故障分析，提出了改進思路，以利提高螺旋輸送機整體設計和製造水平。Main rotor blades were severed within the first few metres through contact with small trees and rocks, and the underbelly and right side of the fuselage were damaged substantially
主旋翼槳葉在直升機沖前首數公尺處因碰觸地面矮小樹叢和石塊而斷裂，機腹和右側嚴重損毀。分享友人