花会一年一度的开，可人会不会一年一年的都在。

Once a year the flowers open, but will not be a year in.

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今晚上一年一度的媒体烤肉日开烤了。

The annual BRDC media barbecue took place this evening.

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开度指示机构应准确地显示阀门的开启状态。

The open angle indicating device should display the open state of the valve gate exactly.

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开度指示机构应准确地显示阀门的开启状态。

The open angle indicating device should display the open state of the valve gate exactly.

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