It would be uneconomical to send a brand new tape.

寄一盘新磁带过去不合算。

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Even the successful flying boats proved, in the end, uneconomical.

即使是成功的水上飞机最终也未能盈利。

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The methods employed are old-fashioned and uneconomical.

采用的方法很老套，没什么效益。

柯林斯例句

Now this time of Yichang to Shanghai by train uneconomical.

现在这个季节上海到宜昌坐火车不合算.

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Aspheric optical parts manufacturing is an acknowledged difficulty and it is uneconomical.

非球面光学零件加工是当前国内外公认的难题.

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The conclusion is that using gravity retaining wall alone will be comparatively uneconomical.

单纯采用重力式挡土墙是不经济的.

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