建桥后由于桥墩扰流，改变了原有的水流条件与河床冲淤条件，从而影响到原有的通航条件。
Due to the disturbed flow at bridge pier, the original condition of flow and bed scouring and sedimentation was changed, and thus the navigation condition was affected.
摘要目的探讨冠桥修复体患者使用冲牙器后对牙周健康的影响。
Abstract: Objective to explore the effect of oral irrigator on the periodontal health of the crown bridge prosthesis.
斜交桥桥墩前冲高和壅水随着桥墩位置的不同而有所变化，一般均表现出上游桥墩前壅水高，下游桥墩前壅水低；
The washing water height in front of the abutment has the opposite tendency, with the high washing water height in the downstream and the low washing water height in the upstream.
针对双桥十二脉动直流系统，推导了直流线路发生短路故障时的整流器过冲电流公式。
The formula of the rectifier's overshoot current of bidirectional 12-pluse DC system when DC line short-circuit fault occurs is derived.
针对双桥十二脉动直流系统，推导了直流线路发生短路故障时的整流器过冲电流公式。
The formula of the rectifier's overshoot current of bidirectional 12-pluse DC system when DC line short-circuit fault occurs is derived.
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