是有.numMU这个属性的,我刚刚查帮助找到了9 ^. w) Z# e+ L9 e! _( W( {6 X
numMu 3 _7 S9 g" w: i/ ~+ M$ BUsage: <mu_path>.numMu; / i V/ R& m g2 y# \2 k! L
; Q6 X) ~) U1 o$ ^( R$ _The method numMu returns the number of MUs located on the loading space of the MU designated by <mu_path>. 9 U; ~4 X' r% X) j5 K+ D * q2 z% M L) f$ L5 xThe return value is of type integer. 6 Q" `1 `8 T# j" e
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Example: .MUs.transporter:1.numMu;