短語(yǔ)詞組短語(yǔ)spiral l grain 扭轉(zhuǎn)紋spiral grain index 螺紋指數(shù)spiral grain loader 螺鏇式裝糧機(jī)Artificial spiral grain 擬鏇廻木理;人造螺鏇紋理spiral grain selector 螺鏇選晶器uniform strength straight spiral grain 等強(qiáng)直螺紋 返回 spiral grain