Attempt to add part at undefined sensor 1 on conveyor coneyor001是怎么回事?* Y) K$ x" E0 c- h2 ^. p% q2 F) L
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conveyor元素的input rule: ! n0 S2 r6 L pif nparts(coneyor001)<5; f. r/ V4 z5 o% i
pull from buf1 with labor1 using path _5 d# C0 K- n& L' l) Delse & W; \0 l( i0 [! F- V; twait X* w; d; P P: lendif