vt.穿孔于，打孔穿透；在……上打齿孔
vi.穿过，贯穿；穿孔
performances 5───表演5
performance index───[电子]性能指标，工作指数；工作指数，性能指标
perforated metal───冲孔网；[材]穿孔金属板
performance test───特性试验; 生产性能测定; 使用测试; 操作测验
perforating canals───穿通管
performance indicator───效益指标；绩效指标；业绩指标，成绩衡量指标
biolytic lab performance address───生物分解实验室性能演讲
perform a task───执行一个任务
performances amd───性能和
perforate origin───穿孔起源
An ulcer perforates the duodenal wall.───溃疡使十二指肠壁穿孔。
Once the toxin perforates the host membrane, ions begin to leak out of the cell.───一旦毒素穿孔于宿主细胞膜，离子便开始从细胞中泄漏出去。
The most common surgical treatment in use today perforates the wall of the eye, often resulting in collapse of the eyeball, infection, cataract formation and other complications.───当今最常见的外科治疗是在眼球壁上打孔，这通常会导致眼球塌陷、感染、形成白内障及其他并发症。
It diagnoses channeling out of casing and perforates holes expecting to perforate intervals when gas exists in the reservoir.───在储层含气时，用于判断套管外是否窜槽、射孔井段是否已正确射孔。
An ulcer perforates the duodenal wall.