At flat the host is quartz diorite with a fine-grained contact phase.
在富来梯，主岩为细粒接触相的石英闪长岩。
2
HONIC 400 is not only recommended for cylinder honing on hard, soft and close-grained cast iron but also for flat honing and lapping operations on gauge blocks and gudgeon pins.
雄力400不但推荐于硬质及软质铸铁的汽缸内径搪磨，还适用于块规的平面精磨及轴头销的研光工序。
3
To investigate the environment of workplaces in a small scale flat-grained veneer wood industry during summer.