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circulation drilling
 circulation drilling
eng.geol. 正循环钻进
| and
 AND
el. ; 逻辑电路"与"
 and
gen. ; ; ; ;
busin. 以及;
| grouting method
 grouting method
bridg.constr. 灌浆法

to phrases
circulation drilling
eng.geol. 正循环钻进
circulation drilling and grouting method
: 25 phrases in 8 subjects
Bridge construction2
Drilling1
Earth sciences3
Engineering geology4
Explosives and Explosive Ordnance Disposal1
Hydroelectric power stations2
Mechanics1
Technology11