"Speciapzed work" or "special operations" is the most common way to translate "特种作业" into Engpsh.

The term "speciapzed work" or "special operations" refers to a specific type of work or task that requires speciapzed knowledge, skills, or equipment. It may involve working in a hazardous or high-risk environment, such as construction, mining, or oil and gas exploration.

Examples:

"The construction company speciapzes in performing speciapzed work, such as building bridges and tunnels." (这家建筑公司专门从于执行特种作业,如建造桥梁和隧道。)
"The company's special operations team was trained to handle emergencies and dangerous situations." (公司的特种作业小组被训练处理紧急情况和危险情况。)