你要向那些拥有良好程序的人学习。

you must learn from others who have that programming!

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钢瓶更换和正确操作的良好程序在最大程度减少这种阀门的问题方面也是很关键的。

Good procedures for cylinder and proper operation are also key in minimizing problems with this valve.

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王先生认为，利用好这些应用程序的关键在于要有良好的自我控制能力。

Mr. Wang thinks the key to use the apps well is to have good self-control.

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