To stop the "black case work", the unit joining into the construction signed the Lifelong Quality and Safety Contract with the water-providing engineering headquarters.
为了杜绝暗箱操作，参建单位目前与供水工程总指挥部签定了质量、安全终身责任书。
To stop the "black case work", the unit joining into the construction signed the Lifelong Quality and Safety Contract with the water-providing engineering headquarters.
为了杜绝暗箱操作，参建单位目前与供水工程总指挥部签定了质量、全终身责任书。
The combination of materials self-damps to give the revised drive unit a solid, low-resonance base to work from. A new high-purity copper cable completes the engineering content.
这种复合材质的运用给予耳机单元一个结实而低谐振的“底盘”。耳机线采用新的高纯度铜制造。
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