They moved with absolute noiselessness.
他们绝对无声地移动。
The fanless design ensures complete noiselessness and maintenance-free operation.
无风扇设计，无噪音维护便捷。
With brand new design, noiselessness and excellent quality in the welding spot, the welder is able to precisely control the welding energy.
设计新颖，能精确控制焊接能量，无噪音，焊点质量好。
With brand new design, noiselessness and excellent quality in the welding spot, the welder is able to precisely control the welding energy.
设计新颖，能精确控制焊接能量，无噪音，焊点质量好。
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