查询词典 sinkhead

In case of any split-off, sinkhead or serious bending found on a rebar in cutting, it should be cut away. If the hardness of a certain rebar is found quite different from what it should be, the worker shall immediately report to the responsible engineer.

g。 在切断过程中，如发现钢筋有劈裂、缩头或严重的弯头等必须切除，如发现钢筋的硬度与该钢种有较大出入时应及时反映给专责工程师。

It was found the flow velocity gradients around the gas-tunnel was high enough to cause air mixture and sand-core washing-out, the casting should be with good sinkhead and gas-venting ability.

对铸造过程充型模拟的计算结果可知，在气道附近区域，流体流动的速度梯度很大，容易出现卷气、冲刷砂芯等现象，因此，在这些区域出现气孔、针孔和缩孔、砂孔等缺陷的可能性很大，为此，必须保证铸件凝固补缩良好、排气通畅。

It has been found that its formation is caused by shrinkage cavity descending below thermal insulating sinkhead of ingot mould and silicate inclusion separating the metal of rail web.

通过低倍金相和扫描电镜观察及能谱分析，得出50kg／m钢轨轨腰分层缺陷是由于钢锭头部缩孔降到钢锭本体截口以下，硅酸盐夹杂物破坏钢轨轨腰金属连续性造成的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。