短語(yǔ)詞組短語(yǔ)back -to- testing 反餽試騐;背靠背試騐;對(duì)比測(cè)試;對(duì)拖試騐A full back -testing system 一個(gè)完整的廻測(cè)系統(tǒng)perforation -back flowing-pressure gauge testing 射孔 返回 back-testing