弓背形线脚 bowtell molding
弓形靠背细骨靠椅 [家具] bow-back Windsor chair
弓背形
Arched back shape
以上为机器翻译结果，长、整句建议使用 人工翻译 。
随土层深度增加，若以棉花主茎垂直向下比喻为弓弦，则单作棉根干重的空间变化呈弓背形分布，而套作棉各土层根干重最大值出现的位点逐渐远离棉株。
The localities with maximum root dry weight in every layer of C distributed like a bow with vertical taproot as bowstring, and those of cotton in C-W were farther from cotton plant.
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