英语语法分析

The article briefly introduces the operating principle of vibrating densimeter.

叙述了振动管式密度计的工作原理。

This method provides a simpler, more accurate and reliable way to calibrate densimeter on the spot.

本方法为核密度计的现场率定提供了一种简便易行、准确可靠的新途径。

After roller compaction, the wet density of RCC would be measured by sampling from the digged pit or by nuclear densimeter.

碾压后，挖坑取样或采用核子密度水分计选点测量碾压混凝土的湿密度。