【电】 屏极检波

basal lamina, basal plate

supraanal plate(=epiproct)

astronegative【天】;astronomical plate【天】;astrophotogram【天】

parallel-plate counter

gusset piece【建】;gusset plate【建】;joint bar【铁路】

straight edge and surface plate

cribriform plate, lamina cribrosa(拉)

presensitized plate