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波纹钢管
 波纹钢管
met. corrugated steel pipe
| 隧道
 6 to 4 隧道
comp., net. 6 to 4 tunneling
 ISATAP 隧道
comp., net. ISATAP tunneling
 隧 道
gen. tunnel
 隧道
archit. bore
environ. tunnel
hydroel.st. tube; tunnel

to phrases
波纹钢管 bōwén gāngguǎn
met. corrugated steel pipe
波纹钢管
: 5 phrases in 1 subject
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