单词:valve seat ring
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Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.
[00:03.12]Module 6 THE CLOTHES WE WEAR [00:08.12]UNIT 1 Why are you wearing a dress today? [00:14.24]1 Listen and read. Then say. [00:18.48]Hello, Jane. [00:19.62]What are you doing? [00:21.68]I'm trying on my dresses. [00:24.48]You usually wear jean
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Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin
You asked for water, said Lurvy meekly. 都是你叫我拿水来的。勒维逆来顺受地说。 I didn't ask for a shower bath, said Mr. Zuckerman. 我可没叫你给我冲凉。朱克曼先生说。 The crowd roared with laughter. 周围的人群哈