由于花键的检测设备费用很高，的翻译：Due to spline test equipment costs are high, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The high cost of testing equipment spline

Due to spline test equipment costs are high,

Because the spline check-out facility expense is very high,

The splines of the test equipment costs are very high.

Due to spline test equipment costs are high,