人工授粉

controlled pollination的用法和样例：

例句

All of these results could be provided the basic references for studying the burliness rate and controlled pollination of bamboos.这些结果也为研究各竹种的不结实和实行人工授粉等研究提供基本的参考依据。

6_te1添加文本

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additional constant

alkali resistant cement concrete flooring

belt-type permanentmagnet separator