elasticsearch 如何在弹性搜索的同义词映射中转义正斜杠？

我对弹性索引使用同义词分析器，同义词映射如下（Solr格式）：

带正斜杠的同义词案例不起作用。 我试图在映射文件中用反斜杠“\”来避开正斜杠“/”，但这似乎不起作用。不涉及前斜杠的案例运作良好。有什么建议吗

Mechanic,Machinist,Welder,Bike Repairer,Car Repairer,Autoworks,Technician,Machine operator => Mechanic
Nurse,Nursing,Hospital Female assistant,Nursing Attendant,Female Caretaker,Male Caretaker,Ward Boy,Pharmacist,Pharmacy,Healthcare => Nurse
Office Assistant,Office Boy,Office Helper,Office Attendant,Helper => Office Assistant/Helper
Security,Guard,Gate man,Gateman,Gate Keeper,Gatekeeper,Watcher,Security Keeper,Watchman,Night Guard => Security/Guard