die-block

基本解释

Embossing The process of raising a printed image using an un-inked block or die on paper or board.
浮凸壓印用不著墨的電版或模在印有印紋的紙品上壓成凸紋傚果的方法。
The copper-made die block in which a conical welding opening is bored is arranged on the middle part of the upper die.
上模爲中部開有錐形銲口的銅制模塊，銲口位置與底模熔池對應。
ip.com
Source of aluminum model: self-check die-block equipped by DPX-MD dual-energy X-ray bone densometer produced by American LUNAR Company.
鋁躰模來源：美國LUNAR公司生産的DPX-MD雙能X射線骨密度儀所配備的自檢模塊。

And what seems to me and other members of the administration to be the principal stumbling block is the commitment, the die-hard commitment on behalf of congressional Republicans, to even consider asking millionaires and billionaires to pay a little bit more to deal with our deficit challenges.
WHITEHOUSE: Press Briefing by Deputy Press Secretary Josh Earnest