And DPF technology is the mainstream technology of tail gas after-treatment technology for light vehicle, the failure diagnosis of DPF is the key point of OBD system in the entire DPF technology.
而DPF技术，作为轻型车尾气后处理技术的主流技术，对DPF的失效诊断，是整个DPF技术obd系统中的关键点。
A plastic fluid flow director for a water treatment system is provided having a plastic substrate with a protective coating that is substantially opaque to UV light.
提供了一种具有塑料基底的用于水处理系统的流体流动引导器，该塑料基底具有大体上对UV光不透光的保护涂层。
Due to the indication light and treatment light is the same beam, the design of optical system becomes simplified.
由于采用了指示光和治疗光为同一光束的思想，使定位更加准确。
Methods To do quality control experiments to simulate the process of 3D-CRT by means of Topsland system, radiation treatment -planning system, laser light, bow form ruler, head model.
方法采用拓能系统的固定装置、计划系统、激光灯、弓形尺、头部模型（简称头模）模拟3DCRT的实施过程进行质量控制分组实验。
Methods To do quality control experiments to simulate the process of 3D-CRT by means of Topsland system, radiation treatment -planning system, laser light, bow form ruler, head model.
方法采用拓能系统的固定装置、计划系统、激光灯、弓形尺、头部模型（简称头模）模拟3DCRT的实施过程进行质量控制分组实验。
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