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平面力系 | |
bridg.constr. | planar force system; force system in a plane |
合成 | |
chem.fib. | blending; blend; mixing of cotton |
hydroel.st. | resultant |
met. | complexity; synthetize |
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planar force system; force system in a plane | |||
plane force system; plane system of forces |
平面力系: 2 phrases in 2 subjects |
Construction | 1 |
Technology | 1 |