钢瓶阀门是压缩气体包装的最脆弱的部分。为了最大程度发挥它的作用，要求彻底地理解阀门。
The cylinder valve is the most vulnerable part of the compressed gas package and requires a thorough understanding in order to maximize its performance.
钢瓶阀门是压缩气体包装的最脆弱的部分。为了最大程度发挥它的作用，要求彻底地理解阀门。
The cylinder valve is the most vulnerable part of the compressed gas package and requires a thorough understanding in order to maximize its performance.
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