位于T形接合部上的L形带阻滤波器亦用来抑制第一谐振频率的倍频的谐振。
An L-shaped band elimination filter on the T-shaped joint part is also used for restricting the resonance of the frequency multiplication of the first resonance frequency.
一凸形突起物（26）延伸自下 板，并接合一关节表面，该关节表面由在上板中形成的一凹入凹处（28）所限定。
A convex-shaped projection (26) extends from the lower plate and engages an articular surface defined by a concave recess (28) formed in the upper plate.
该探针具有套管，所述套管具有用于延伸穿过所述罐的壁部且与所述壁部接合的管形部分。
That probe has a sleeve with a tubular portion for extending through and engaging a wall of the tank.
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