Through four years practical application, this transfer scheme is successful and worthful in certain condition.

经过四年的生产实际考验，这种输送方式在特定条件下是有推广价值的。

youdao

Through four years practical application, this transfer scheme is successful and worthful in certain condition.

经过四年的生产实际考验，这种输送方式在特定条件下是有推广价值的。

youdao