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检查孔 jiǎnchákǒng
gen.	drop manhole; crawlway
bridg.constr.	inspecting hole; man hole
dril.	peep hole
el.	hand hole; inspection window; viewport
eng.geol.	check hole; cleanout
hydroel.st.	inspection hole; sight hole; inspection borehole
met.	access eye
oil	inspection door; inspection opening
space	access opening; manhole; porthole; sight port; access hole
tech.	disconnecting manhole; inspecting port; inspecting shaft; inspection eye; inspection fitting (板); inspection manhole; inspection port; inspection shaft; sighting hole; access door; observation hole
检查钻孔
el.	inspection bore-hole
检查孔供观察和检査用的开口 jiǎnchákǒng
auto.	inspection opening
检查【修】孔
oil, transp.	access hole

检查 孔 : 75 phrases in 12 subjects

Automobiles	5
Drilling	3
Electronics	3
Engineering geology	4
Explosives and Explosive Ordnance Disposal	1
Metallurgy	6
Oil / petroleum	4
Plastic surgery	1
Shipbuilding	8
Space	1
Technology	38
Telecommunications	1