"You'll have an easier time when you get fitted for your prosthesis," he said.
“等到你的义肢装好后，你也会走得比较轻松的，”他说。
The safety valve must be fitted to the system when it is not under pressure.
安全阀必须安装在当它不在压力条件下的系统中。
The safety valve must be fitted to the system when it is not under pressure.
安全阀必须安装在当它不在压力条件下的系统中。
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