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大小头 dàxiǎotóu
chem. male enlarge
construct. transition pipe
dril. combination collar; reducing socket; sub-coupling; substitute; swage; swedged nipple; swedge
el. reducing pipe
geophys. crossover adapter
mech. adapter; reducer; crossover
met. increaser
oil change-over sub; pipe reducer; crossover (X/0)
tech. concentric reducing; concentrical reducing; reducer and increaser; reducing pipe joint (承插管接头)
大小头指异管径 dàxiǎotóu
ecol. reducer and increaser
大小头 dàxiǎotóu
tech. reducer; reducing pipe
大小头指管 dàxiǎotóu
agric. pipe reducer
俗称大小头 dàxiǎotóu
mech. sub
大小头: 60 phrases in 13 subjects
Architecture1
Audio electronics1
Aviation1
Compressors1
Construction1
Dermatology1
Drilling7
Entomology1
General2
Ichthyology1
Oil / petroleum6
Pest control1
Technology36