... 齿顶圆直径 kopfkreisdurchmesser outside head diameter/inside head diameter minor diameter; ti diameter; tidiameter 齿根圆直径 root diameter 大圆直径 axis of great circle ...
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thread root diameter 螺纹内径
tooth root diameter 齿根圆直径
groove-root diameter 槽底内径
root diameter of worm [机] 蜗杆齿根圆直径
root diameter of wormwheel [机] 蜗轮齿根圆直径
Fine root diameter 细根直径
The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。
The mean value of root diameter and root length markedly increased with root order.
随根序增加细根平均直径和平均根长显著增加；
The higher the precipitation, the greater the root depth, total root length and root diameter, the more lateral roots and the lower ratio of root to shoot.
降雨量越大，根系越深、总根长越大、根系直径越大、侧根越多、根冠比越低。
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