In this paper, the mechanical properties, service life and price of this material were discussed and the abrasion problem of the processing machine and equipment as well.

本文对这种材料力学性能、使用寿命、价格以及加工机械设备磨损等问题进行了探讨。

youdao

After that, Hal Steinbrenner began to build smaller, limited-service properties from the ground up.

WSJ: Steinbrenner's Other Game

Central Scotland Fire and Rescue Service said properties had been flooded in Dunblane and Callander.

BBC: Scotland

From the beginning of April, Highland Council will stop providing a service to those properties where no response to February's letter had been received.

BBC: Highland Council warning on holiday home rubbish