Objective: To observe the blood distribution and blood flow state of accessory hepatic veins (AHV) by ultrasound.

目的：探讨超声检查显示副肝静脉(AHV)的分布规律及其血流状态。

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But some proliferous services such as accessory distribution, logistics information services are still in the phase of exploration and attempt.

零部件配送、物流信息服务等增值服务仍处于探索和尝试阶段。

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The utility model relates to a safety hood of a distribution transformer, which pertains to the accessory field of security and anti-theft devices of distribution transformers.

本实用新型涉及一种配变安全罩，属配电变压器安全防盗装置附件领域。

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