Colophony Steel合成树脂
colophony powdre松香粉
Colophony Onyxl松香玉
PHBV colophonyPHBV树脂
amber colophony琥珀松香
Oil Colophony石油树脂
DNW colophonyDNW树脂
colophony powder松香粉
Colophony Artwork树脂类艺术品
Polyvinyl chloride (PVC) is a kind of general colophony.
聚氯乙烯(polyvinyl chloride,PVC)是一种通用树脂。
参考来源 - UPVC注塑螺杆构型的研究Besides,this article analyzes many new material used in the no gravel orbit construction such as passenger transportation special line bifucation ,fastener and epoxy colophony eluting steel bar.
然后对客运专线无碴轨道道岔、客运专线扣件、环氧树脂涂层钢筋等无碴轨道大量使用的新型材料进行了分析。
参考来源 - 遂渝线无碴轨道施工新技术及工程造价的研究N(名词) → another name for rosin