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管坯定心 | |
met. | centering; centring |
"BP 机" | |
telecom. | beeper |
机 | |
gen. | machine; apparatus; device |
tech. | electric machinery; electrical machinery |
wind. | confined vortex wind machine |
BP机 | |
gen. | beeper |
| |||
centering; centring |
管坯定心 : 4 phrases in 1 subject |
Metallurgy | 4 |