探勘機器人研發至今，國內外皆投入大量人力在開發，現今國外的管壁機器人多

探勘機器人研發至今，國內外皆投入大量人力在開發，現今國外的管壁機器人多以輪式或履帶式的行進方式去進行爬管。

結果 (英文) 1:

Exploration robot research and development to date, both at home and abroad in a lot of manpower development, now mostly foreign wall robot wheeled or tracked traveling way to crawl tube.

結果 (英文) 2:

Exploration robot research and development so far, both at home and abroad have invested a lot of manpower in the development, today's foreign pipe wall robots to wheel or track-type travel to climb the tube.

結果 (英文) 3:

Up to now, a lot of manpower has been invested in the research and development of exploration robots at home and abroad. Nowadays, most of the pipe wall robots in foreign countries use the way of wheel or crawler to climb the pipe.