Take as standard detected object to detect the basic performance. The shape, size and material have been determined.

为测定基本性能作为标准的检测物体，形状、尺寸、材料已决定的。

youdao

Take as standard detected object to detect the basic performance. The shape, size and material have been determined.

为测定基本性能作为标准的检测物体，形状、尺寸、材料已决定的。

youdao