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丙烯
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己烯
含六个碳原子且双键在开链分子链端部的单烯烃。结构式CH3(CH2)3CH=CH2。又称正丁基乙烯。常温常压下为无色液体,沸点为63℃,不溶于水,溶于醇、醚、苯、石油醚、氯仿,易燃,有中等毒性及一定的刺激性。是优良的聚烯烃共聚单体。
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Playfair axiom
playhouse in the Suzhou Kunqu Opera Theatre
play in early childhood
playing
playing a reverse role
playing automaton
Playing Chess in Deep Mountain
playing diabolo
Playing Gong
playing gong-drum ensemble
Playing Go under Double Screens
playing income
Playing the Monkey King: The Life Story of Zheng Faxiang
Playing the Zither in a Mountain Cottage
Play Making:A Manual of Craftsmanship
Play Manuscripts of Kunqu Opera in Late Qing Dynasty
play manuscripts of Ninghe opera from Wuyun Troupe of Xiushui County
play manuscripts of Zaju Opera discovered in Tatrang
Play Monthly
play notes
play of chance
play performance beyond prior agreement
play request from the audience
play-script
Plays from the Samatha Studio
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