基本解釋[化學(xué)]半硬質(zhì)pvc英漢例句雙語(yǔ)例句The flame retardant and smoke suppression effect of serial metal hydroxystannates on semi-rigid PVC was studied.研究了系列羥基錫酸鹽阻燃劑對(duì)半硬質(zhì)PVC的阻燃消菸作用。semi-rigid pvc更多例句詞組短語(yǔ)短語(yǔ)Color -coded Semi-Rigid PVC insulation 半硬質(zhì)聚氯乙烯絕緣semi-rigid pvc更多詞組專(zhuān)業(yè)釋義化學(xué)半硬質(zhì)pvc