[问答题] 简述编组站 marshalling station。
[名词解释] 路网性编组站 network marshalling station
[名词解释] 地方性编组站 local marshalling station
[名词解释] 单向编组站 single direction marshalling station
[名词解释] 双向编组站 double direction marshalling station
[名词解释] 枢纽辅助编组站 terminal auxiliary marshalling station
[名词解释] 枢纽主要编组站 terminal main marshalling station
[名词解释] 区域性心肌梗死(regional myocardial infarction)