In this paper, some anti-burn on additives for green mouldsand produced at home were reviewed and several practical test methods were recommended.
笔者对国内若干种湿型砂抗粘砂附加料作出评论，并推荐几种实用的检测方法。
2
The ants construct the turrets by stacking sand grains and little balls of clay that they mould with their [jaws].
蚂蚁用爪子将沙粒和粘土团起的球堆在一起，以此建造洞穴。
3
Simulating different solidification cooling rate with step-metal mould and sandmould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.