你可能感兴趣的试题
their no trouble period their freely trouble period its free trouble life its trouble-free life
心肌是功能上的合胞体 心肌肌浆网不发达， Ca2+贮存少 心肌的effective refractory period 特别长 心肌有autorhythmicity ，会自动节律收缩 心肌呈“全或无”收缩
instruction period machine period beat period CPU period
effective cylinder scavenging and cooling constant pressure from the turbochargers cooler operation of the exhaust system effective constant pressure for turbocharger operation
Beat period Machine period Instruction period CPU period
instruction period machine period beat period CPU period
湘公网安备 43130202000226号