对开道岔 symmetrical turnout
对开道岔 symmetrical turnout
相关考题:
The utility of a risk seeker is:A negatively exponentialB positively skewedC increasingD decreasingE symmetrical
7 The utility of a risk seeker is:A. negatively exponentialB. positively skewedC. increasingD. decreasingE. symmetrical
单选题Wales is different from Scotland in all the following aspects EXCEPT _____.Apeople’s desire for devolutionBlocals’ turnout for the votingCpowers of the legislative bodyDstatus of the national language
单选题It is really a modern firm. Its turnout is so large that it can notably influence the market.Avaguely Bconspicuously Cobscurely Dfamously
名词解释题道岔中心线表示法 method of indicating the center line of turnout