A new static cracking agent is introduced in this paper.

介绍了一种新型静态破碎剂。

youdao

HEA con - Crete anti-cracking agent is applied to prevent large BOX foundation from cracking or leaking.

掺加hea型混凝土抗裂外加剂防止大型BOX基础开裂渗漏。

youdao

Cracking open the material caused the capsules to rupture, releasing the healing agent.

BBC: Time to heal: The materials that repair themselves

The abuses of the privateering system, and the presence of so many scruffy free-agent pirates, led to a decision by the British authorities in the early 18th century to begin cracking down on piracy in the Caribbean.

NPR: Pirates 101: Fact and Fiction on the High Seas