鏤版

镂版
lòubǎn

stencil or engraved plate

Wiktionary

Entry Composition

1 鏤 lòu
  1. to engrave
  2. to carve
  3. hard steel
2 版 bǎn
  1. a register
  2. block of printing
  3. edition
  4. version
  5. page