union melt welding

用法例句

Regulations for the qualification test of diver-welders

GB/T6419-1986潜水焊工考试规则

A protective plate covering the human face, as of a welder or diver.

面罩盖在人脸上的保护罩，如熔焊工人的或潜水员的

That is also how submarines work.

潜水艇也是这样工作的。

Analysis of industrial water consumption level and water-saving potentialities in Shanxi Province;

山西省工业用水水平与节水潜力分析

navigable deep diving vessel for underwater exploration.

用于水下探测的航行用深潜水工具。

Forecasting and Conservation Potential Analysis of Industrial Water in Tianjin

天津市工业用水预测与节水潜力分析

Two divers work together while a standby diver remains on the surface.

两名潜水员协同工作,同时有一名候补潜水员留在水面上。

Technological guide for assemble and welding of metal sporal case of turbine

水轮机金属蜗壳安装焊接工艺导则

Strengthening welder technical training process control,improving long-distance pipeline welding level

强化焊工技术培训过程控制,提高长输管道焊接施工水平

The act or an instance of submerging, as of a submarine or a skin diver

潜水潜水的动作或例子；如潜水艇或裸潜者潜水

These divers work in sub-zero temperatures.

这些潜水员在零下的温度中工作。

Water Resources Argumentation of Tapping Potential of the Project of Diversion from Yellow River to Qingdao in Shandong Province;

山东省引黄济青工程挖潜水资源论证

Comprehensive Evaluation of the Effectiveness of Different Location Interception Project

不同位置截潜引水工程效果综合评价

lock-out submersible

可出舱潜水的潜水器

A Study on Treatment of Polluted Surface Water by Using Horizontal Subsurface Flow Constructed Wetlands;

水平潜流人工湿地净化受污染水体研究

The Study of the Phosphorous Removal in Horizontal Subsurface Flow Wetland Treating the Polluted Surface Water;

水平潜流人工湿地去除受污染水体中磷的研究

Water-saving Potential and Measures for Industry and Residents in Jinchang City;

金昌市工业和城镇居民节水潜力和节水措施

Drainage Gas Recovery Technique of Combing ESP and Gas Lift for Gas Wells with Large Water Production

大水量气井电潜泵—气举组合排水采气工艺设计