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英德
有道
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维基
百科
double-bell
双碗形
double-bell
double-bell charging ...
double-bend valve
double-bevel
double-bevel groove
double-bevel groove weld
double-bevelling
double-bit ax
double-bit error
double-blade auger
double-blade axe
double-bladed plough
double-blind
double-block brake
double-blow heading
double-bolt cutter
double-bond isomerism
double-bond shift
double-bore well
double-bottom cellular
double-bounce calibra...
double-bowl vacuum ce...
double-branch bend
double-branch gate
double-break
double-break bridging...
double-break circuit-...
double-break contact
double-break double-m...
double-break jack
double-break switch
double-breasted
double-breasted plough
double-breasted suit
double-bucket
double-bucket weigher
double-buds
double-buffered data ...
double-buffered transfer
double-burned dolomite
double-bus
double-button carbon ...
double-button microphone
double-butt-strap r...
double-cable crane
double-calculation
double-cambered wing
double-carbon arc lamp
double-card
double-casing
double-casing machine
double-casing motor
double-casing volute ...
double-catenary const...
double-cavity klystron
double-centre theodolite
double-chain draw bench
double-chamber channe...
double-chamber sand b...
double-chamber surge ...
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