【化】 asphalt primer
bitumen; pitch
【化】 asphalt; bitumen; nigrite; pitch
【医】 asphalt; bitumen; Jew's pitch; mineral pitch; peucine; pitch; pix
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
