已经执行的双写操作的数量。

The number of double write operations that have been performed.

youdao

双梯形螺纹使得操作更加快速。

Double Acme for faster operation.

youdao

双写操作执行的页的数量。

The number of pages that have been written for double write operations.

youdao

采用双泵合流全液压转向系统，操作轻便、灵活，性能稳定可靠。

6 double pump confluence full hydraulic steering system, easy operation, flexible, stable and reliable performance.

youdao

双定位装置操作方便。

Double fixing devices easy to handle.

youdao

双定位装置操作方便。

Double fixing devices easy to handle.

youdao