An accessory tool for use with a suction source has a housing having a suction outlet and a suction nozzle.

本发明涉及一种用于与抽吸源一起使用的附件工具，其包括：具有抽吸出口和吸嘴的壳体。

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This paper mainly introduces a design of a tool measuring the nozzle hole depth in cylinder-head and its usage.

主要介绍柴油机气缸盖喷油嘴孔深度量具的一种设计和使用方法。

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