【化】 asphalt prime coat
bitumen; pitch
【化】 asphalt; bitumen; nigrite; pitch
【医】 asphalt; bitumen; Jew's pitch; mineral pitch; peucine; pitch; pix
primer; priming; priming paint
【化】 base coat; ground coat; ground coat paint; precoat; prime coat; primer
primer coat; priming paint; undercoat
appear; fully; pass through; penetrate; tell secretly
【机】 permease
layer; region; stage; story; stratum; tier
【计】 layer
【医】 coat; lamella; lamellae; lamina; laminae; layer; strata; stratum
