boring method

基本解釋

Earthman 3: the most boring method of learning.
公民3：是最無聊的學(xué)習(xí)方法。
Introduces the boring method and machining effect of the dome and bottom ring of water turbine.
介紹西山水電站水輪機頂蓋底環(huán)在立車上同鏜的加工方法及傚果。
Its underground powerhouse is the largest one in Hunan Province, with the installed capacity of 300MW. The underground chamber group was excavated by the new Austrian boring method.
地下廠房是湖南省最大的地下廠房，裝機300 M W，地下洞室群開挖採用新奧法施工。