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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 |
| |||
impervious graphite | |||
impermeable graphite |
不透性石墨 : 4 phrases in 2 subjects |
Chemistry | 2 |
Metallurgy | 2 |