brass-made, copper-made
以上为机器翻译结果,长、整句建议使用 人工翻译 。
They are made of high-quality copper pipes and brass, and made by advanced technique of bending and welding, with advantages of tight welding and leakage resistance.
管组件是由优质铜管制造,通过先进的弯管和焊接技术工艺制造,由于良好的焊接工艺具有很好的气密性。
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