齒形波紋 的英文怎麼說
中文拼音 [chǐxíngbōwén]
齒形波紋
英文
tooth ripple-
Among them, denticula ( with 2 species ), epithemia ( with 6 species and 8 varieties ), and rhopalodia ( with 5 species and 4 varieties ) belong to the family epithemiaceae ; the family nitzschiaceae include 3 genera, bacillaria ( with 1 species ), hantzschia ( with 3 species 4 varieties and 1 form ) and nitzschia ( with 28 species and 7 varieties ) ; and the other genera cymatopleura ( with 3 species and 3 varieties ), surirella ( with 13 species and 4 varieties ), stenopterobia ( with 1 species ) and campylodiscus ( with 1 species ) belong to the family surirellaceae
其中窗紋藻科有3屬，有細齒藻屬2種，窗紋藻屬6種8變種，棒桿藻屬5種4變種；菱形藻科3屬，有桿狀藻屬1種，菱板藻屬3種4變種1變型，菱形藻屬28種7變種；雙菱藻科4屬，有波緣藻屬3種3變種，雙菱藻屬13種4變種，長羽藻屬、馬鞍藻屬各1種。At one time complex structure and area of weariness crack ( including whole suspension hollow axis of swivel, half suspension adopted axletree, substituting holistic grinding steel wheels for wheel - hoop compounded wheels, different wheel - axletree structure of different locomotives, different transmission chamfer machining step of axletresses and driven traction gear etc. ) centralizing make wave clutter and repeat to disturb recognition of real fault wave
同時，由於全懸掛空心軸、半懸掛抱軸承等復雜結構車軸的使用和整體碾鋼輪陸續替代輪箍組裝式車輪，各型機車輪軸結構不同，車軸加工臺階和過渡圓角不同，從動牽引齒輪與車軸採用過盈裝配等，在這些結構復雜且疲勞裂紋產生集中的區域，探傷時極易發生波形交織和重復，難以識別真正缺陷波。
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