“封水环”的概念、定义、翻译、参考文献-科学参考

单词	封水环
释义	封水环 ring for the sealing liquid water
随便看	before crop seedlings emerge before evaluating for yield before evaluating progenies beforehand before jacketed before long before meals before measurement before planting before-separation costs before tax before-the-lens shutter be found in alluvium be found in several kinds of rocks beg beggar-my-neighbor import barriers beggar-my-neighbour policy beggar's exercise Beggiatoa Beggiatoaceae Beggiatoales begin begin block begin bracket begin bracket indicator (BB)

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