... 夹心阀check valve 顶杆push ring 加速缓解阀套accelerated release valve bush ...
基于1个网页-相关网页
ring die push bench 环形模顶管机
gasket ring push-on connection 承插式弹性密封圈连接
push ring
推动环
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He's again urging people to tweet, ring, email their members of Congress and push them to reach a deal.
BBC: Mardell: A way out of the mess
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