polypu息肉polypn.水螅虫；鼻肉；息肉Polyploid variety多倍体polyphase merging多步合并polyphase freezer双相冷却剂致冷机polyplold complex多倍体复合体polyploid nucleus多倍体细胞核polypropene twine聚丙烯细绳polyparaphenylene聚对苯撑polyphase chopper多相斩波器polyploding agent多倍体诱发因素polyphase circuit多相电路