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pinchcock ['pɪnʧkɔk] n
gen. 夹在软管上调节液流用弹簧,节流,活嘴
agric. 钳子; 夹子
chem. 管夹
lab.eq. 节流夹
oil 活嘴夹
refrig. 弹簧夹
pinchcock: 3 phrases in 2 subjects
Metallurgy1
Technology2