electret例句
SD rats were divided into 3 groups: control, scald and
electret group.
将大鼠分成对照组 、 烫伤组和驻极体实验组.
The melt blown nonwoven technology, the
electret theory and
electret nonwoven are introduced in this paper.
系统介绍了非织造布熔喷工艺 、 驻极化理论以及驻极体非织造布.
It'specilizes in manufacture of carious circle receiver,
electret receiver and accessories of various telecommunication product.
专业生产各种动圈受话器 、 驻极体话筒及多种通信产品配件.