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buck up ['bʌk'ʌp]
gen.	使兴奋; 打起精神
oil	紧扣
buck-up
gen.	用铆钉撑锤〔头模〕顶住铆钉头
archit.	拧紧管接头; 用铆钉撑锤顶住铆钉头
oil	紧螺纹
tech.	铆钉撑锤顶住铆钉头; 拧紧 (管接头)

buck up: 3 phrases in 2 subjects

Aviation	2
Drilling	1