pcb 的定义
- a family of highly toxic chemical compounds consisting of two benzene rings in which chlorine takes the place of two or more hydrogen atoms: known to cause skin diseases and suspected of causing birth defects and cancer.
pcb 近义词
等同于 silicon chip
更多pcb例句
- A federal court found that it was contaminated by “a glut” of PCB Pydrauls supplied to General Electric by Monsanto.
- Larger cohos were later found by the EPA to contain up to 1540 times the current permissible PCB limit.