underwater filling concrete是什么意思

用法例句

Analysis and design on technical scheme of underwater diamond wire saw;

水下金刚石绳锯机技术方案分析与设计

Underwater High Pressure Cleaningand The Cleaning Machine;

水下高压洗净其及洗净机简介

Simulation of underwater manipulator based on underactuating mechanism;

基于欠驱动机构的水下作业机械手仿真研究

This may provide a novel theoretical means in detecting and recognizing underwater targets.

利用混沌理论对水下目标特征提取进行了研究。