injection stream meaning in English

喷射流
喷嘴射流

Firstly , the basic concepts of the composite foundation and the main characteristics of the chemical churning pile composite foundation are introduced in some detail . after that , configuration of the spray , structure of the injection stream , hardening mechanism of the jet grouting are probed
本文首先简介了复合地基的基本概念及旋喷桩复合地基的主要特点,进而探讨了旋喷浆液在土中的喷射形态、喷射流构造及其硬化机理。