чёткий отпечаток
• The hemihydrate reforms the dihydrate, evolving considerable heat and expanding in the process, so a sharp imprint of the mould is formed.
Русско-английский научно-технический словарь• The hemihydrate reforms the dihydrate, evolving considerable heat and expanding in the process, so a sharp imprint of the mould is formed.
Русско-английский научно-технический словарь