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未固结
 未固结
oil unconsolidation
| 套管
 套管
el. mech. ferrule
el.mach. bushing
eng.geol. well casing
hydroel.st. casing; annular tube
isol. sleeving
met. capsule
skydive. bushing; bush

to phrases
未固结
oil unconsolidation
未固结
: 34 phrases in 11 subjects
Agriculture2
Bridge construction1
Desert science2
Drilling3
Engineering geology1
General1
Geology2
Metallurgy1
Mining1
Oil / petroleum7
Technology13