The basic reason for most enterprises' poor performance is not because of the high Debt to Total Assets ratio, but because of the low capital utilizing efficiency.
大部分企业经济效益不佳的根本原因并不是因为其负债过高，而是资产利用效率低下。
The fan has a good aerodynamic performance, smooth operation, high efficiency, long life characteristics, a total of A, B, C, D four kinds of structures.
该风机具有良好的气动性能、运转平稳、振动小、效率高、寿命长等特点，共有A、B、C、D四种结构。
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