A.不大于200t B.不大于300t C.不大于30t D.不大于3t
A.實(shí)干時(shí)間(h)≤24(h) B.實(shí)干時(shí)間(h)≤4(h) C.實(shí)干時(shí)間(h)≤10(h) D.實(shí)干時(shí)間(h)≤14(h)
A.35個(gè) B.33個(gè) C.31個(gè) D.29個(gè)