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flexible connector
chem.	挠性联连接器
dril.	柔性接头
el.mach.	挠性联轴器
hydroel.st.	伸缩节
sol.pow.	波纹管
space	挠性接头
tech.	软接头; 可伸缩接头; 活动接头; 活络接头; 柔性连接器; 弹簧接头; 软管连接器
wind.	软性连接管; 挠性连接器; 弹性接头

flexible connector: 7 phrases in 4 subjects

Automobiles	1
Electronics	3
Rail transport	1
Technology	2