Since this is not safe, Simple Injector throws an exception in this case.
因为这是不安全的，简单的注射器扔在这种情况下例外。
The utility model has the advantages of simple and reasonable structure, easy operation, convenient and practical use and being able to meet the detaching works of various specs of injector nozzles.
它结构合理、简单、操作容易、方便实用、能满足各种规格喷油嘴的拆卸作业。
The flow system is simple and a manual injector is used.
本方法流路简单，使用手动进样阀。
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