单词	as sikak
释义	as sikak 西卡克
随便看	impulse switch impulse symbol impulse system impulse tachometer impulse tail impulse tangent circle impulse tank impulse target diagram impulse technique impulse telemeter impulse test impulse testing impulse testing machine impulse testing machine circuit impulse theorem impulse theory impulse-thermal conductivity method impulse three impulse three and serial control impulse thrust Impulse thruster impulse time impulse time delay impulse time division system impulse time margin