This design of automatic test system improved final test level of the device.
自动测试系统的设计提高了装置整体的测试水平。
The office has recently been refurbished and the ventilation system improved.
这间办公室最近重新修缮油漆过，通风系统得到了改善。
The office has recently been refurbished and the ventilation system improved.
这间办公室最近重新修缮油漆过，通风系统得到了改善。
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