常見例句雙語(yǔ)例句The initial corrosion time may be decided by structural protection degree and penetration rate of corrosive agents.而初始時(shí)間（或去鈍時(shí)間）的確定則取決了結(jié)搆防護(hù)程度及有害介質(zhì)離於的滲透速率。 返回 initial rate of penetration