抗重筛
antigravity screen
抗重系统
antigravity system
凯利过滤机
Kelly filter
颗粒层过滤器
granular-bed filter
空气超净过滤
air ultrafiltration
空气过滤
air filltration
空气过滤器
air filter
air filter; air strainer
空气过滤器用油
air filter
控制过滤
controlled fllter
枯草过滤器
hay filter
兰茨克龙奈带式过滤机
Landskrona band filter
颈安抗
cervical anchorage
净电抗
net reactance
静态阻抗
static impedance
静止横轴电抗
static quadrature reactance
静止横轴过渡电抗
static quadrature transient rea-ctance
静止直轴电抗
static direct reactance
静止直轴过渡电抗
static direct transient reactance
静坐抗议
sit-down
sit-in
鸠尾安抗
dovetail anchorage