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比色管 bǐsèguǎn
agric. colorimetric tube
chem. comparison tubes
oil color comparison tube
tech. colour comparison tube
textile colorimeter tube
water.res., ecol. colourimetric tube
比色 管
: 15 phrases in 8 subjects
Architecture1
Chemistry1
Ecology1
Electronics1
Metallurgy1
Oil / petroleum1
Plastics1
Technology8