Number of layers made when filling the slump mold
A、threelayersofequalvolume;
B、twolayersofequalheight;
C、twolayersofequalvolume;
D、threelayersofequalheight
发布时间:2025-11-27 07:45:26
A、threelayersofequalvolume;
B、twolayersofequalheight;
C、twolayersofequalvolume;
D、threelayersofequalheight