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中心受压组合杆 | |
bridg.constr. | centrally compressed built-up member |
件 | |
gen. | piece of; tut |
busin. | bales |
earth.sc. | pieces |
hydroel.st. | piece |
interntl.trade. | item; package; bale |
met. | block |
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centrally compressed built-up member |
中心受压组合杆: 2 phrases in 1 subject |
Bridge construction | 2 |