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井口装置 jǐngkǒu zhuāngzhì
dril. cellar connection; cellar hook up; well head equipment; well head set up
eng.geol. Christmas tree; well control equipment; well head; well head gear
mech. tree
oil well head assembly; wellhead device
tech. collar connection; collar hook up; control head; well-control equipment; well-head assembly; well-head setup; well hook up
〔油井〕井口装置 jǐngkǒu zhuāngzhì
earth.sc. well head assembling
井口装置: 45 phrases in 8 subjects
Drilling3
Engineering geology1
Mechanics4
Mining1
Navigation1
Oil / petroleum24
Oil and gas1
Technology10

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