penetration是什么意思

网络释义

用法例句

The change of distance between molecules caused by penetration and glicking results in the abnormal phenomena.

通过对反常凝析现象的研究,认为造成这种现象的原因,并非书本中所认为的那样,而是一种钻入与吞噬造成分子间距离的变化,引起的这种反常凝析现象。

In construction of offshore riser burrowing into method,the driving depth determination of riser is great.

在海上隔水导管钻入法施工中,隔水导管的入泥深度确定与海底土性质及水泥浆固结质量有很大关系。

It is shown that vibration drilling entirely changes drill-entry mechanism of common drilling,remarkably improves drill-entry spotting accuracy.

分析结果表明 ,振动钻削改变了普通钻削的钻入机理 ,显著提高了钻入定心精度 ,特别适合微小孔的精密和超精密加工。