- 重点词汇
- 管线
pipeline; piping; conduit; tubing; line; duct
- 设计
design; plan; devise; scheme; engineer; lay out; project; map out; contrive; layout; format; blueprint; planning
- 规范
norm; specification; standard; requirement; principle; criterion; code; convention; canon; protocol; parameter; precept; standardize; normalize; regulate; codify; normative; regular; conventional; standardized; formal; proper; orthodox; prescriptive