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不透性石墨
 不透性石墨
oil impervious graphite
|
 管
gen. supervise
cycl. tube
environ. pipe
manag. reel
met. tubing
oil transp. pipe
space tubing
tech. pipe

to phrases
不透性石墨
oil impervious graphite
tech. impermeable graphite
不透性石墨
: 4 phrases in 2 subjects
Chemistry2
Metallurgy2