section tuber 中文意思是什麼
section tuber
解釋
異型管材-
It is most important to recognize the characteristics including cylindrical section of rhizome ( yuanlu ), drooping adventitious root tuber ( xiachuiding ), wirelike wrinkles on tap shoulder ( tiexianwen ) and some slender pliable warty fibrous roots ( zhenvuxu )
、主根肩部的線形收縮紋(鐵線紋)及帶疣狀突起的細長柔韌的須根系(珍珠須)是最重要的鑒別性狀。 -
2. wet zhou xiao of section, the leaking out rate of the tuber pipe is extremely low 3
2斷面濕周小,風管漏風率極率,僅0 . 02 %
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