结球生菜冷链流通保鲜的关键是预冷。
The key of keeping fresh lettuce under cold chain is pre-cooling.
雄性不育株的雌球花发育正常，并能正常开花、授粉和结籽。
The female cone of the male sterile plant can blossom, pollinate and bear seeds normally.
尤其是装饰圣诞树的球球、拐杖、蝴蝶结等，精致美观。
Especially decorating the Christmas tree ball ball, crutch, bows, etc. , delicate and beautiful.
尤其是装饰圣诞树的球球、拐杖、蝴蝶结等，精致美观。
Especially decorating the Christmas tree ball ball, crutch, bows, etc. , delicate and beautiful.
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