The Duchess began in a low, weak voice.
公爵夫人用低沉的、微弱的声音说。
'a fine day, your Majesty!' the Duchess began in a low, weak voice.
“天气真好呵，陛下。”公爵夫人用低而微弱的声音说。
Has the characteristics of vacuum suction, strong self-priming capacity, can automatically power ruled out air in pipe, voice low, weak acid weak base corrosion resistance.
具有真空吸水的特性，自吸能力超强，能自动强力排除水管中空气，嗓音低、耐弱酸弱碱腐蚀。
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