pinch point

US /ˈpɪntʃ pɔɪnt/
UK /ˈpɪntʃ pɔɪnt/
"pinch point" picture
1.

瓶颈, 难点

a point of potential difficulty or congestion

:
The narrow bridge is a major pinch point for traffic in the city.
这座狭窄的桥是城市交通的主要瓶颈
Lack of skilled workers is a pinch point in the manufacturing process.
熟练工人短缺是制造过程中的一个瓶颈
2.

夹点, 挤压点

a point where two parts of a machine or other object come together, creating a risk of trapping or crushing a body part

:
Always be careful of the pinch points when operating heavy machinery.
操作重型机械时,务必小心夹点
Safety guards are installed to prevent injuries from pinch points.
安装了安全防护装置以防止夹点造成的伤害。