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The official trial of the ship was run.
这艘船已进行过正式试航。
youdao
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This is our official trial order for 500 computers.
这是我方500台电脑的正式试订单。
youdao
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This is our official trial order for 500 computers.
这是我方500台电脑的正式试订单。
youdao
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This is our official trial order for 500 computers.
这是我方500台电脑的正式试订单。
youdao