聚氨酯泡沫
urethane foam
聚氨酯泡沫塑料
polyurethane foaming plastic; urethane foam
聚苯乙烯泡沫塑料
polystyrene foam
聚氯乙烯泡沫塑料
poly(vinyl chloride) foam
开孔泡沫制品
open-cell product
抗起泡沫能力
resistance to foaming
空气泡沫减火系统
air-foam systems
精神口腔科学
psychostomatology; stomatapsychology; stomatopsychology
井口
the mouth of a well
井口价格
wellhead price
井口装置
well head equipment
颈动脉管内口
apertura interna canalis carotici
颈管内口
orificium internum canalis cervicis; orificium internUm isthmi; orificium internum uteri; os1 uteri internum; ostium internum uteri
颈管外口
orificium externum canalis cervicis; orificium externum uteri; os1 tincae; os1 uteri externum; ostium uteri
径向切口环
radial cut ring
净出口
net exports
竞选口号
war cry
静脉口
ostium venosum
静入口
inactive entry
静态人口学
static demography