polyethylene helix信息详情
polyethylene helix发音
意思翻译
聚乙烯螺旋
相似词语短语
helix───n.螺旋,螺旋状物;[解剖]耳轮
helix ultra───壳牌超凡喜力
bifilar helix───双股螺旋
double helix───二重螺旋线,双螺旋线
polyethylene terephthalate───[高分子]聚对苯二甲酸乙二醇酯
curtailing helix───限幅螺旋线
helix angle───螺旋角; 螺旋升角; 螺旋线角; (伞齿轮的)节面角;[数]螺旋角;螺旋线角;螺旋升角;节面角(伞齿轮的)
helix angle LH───螺旋角LH
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