cutoff key

基本解释

The closure of steel sheet piles is the key to the construction of steel sheet pile cut-off walls.
钢板桩合拢是钢板桩防渗墙施工的关键。
Key parameters used in the simulation include cut-off angle of the incident particles, substrate temperature, and deposition rate.
所研究的实验参数有：入射截止角、衬底温度和沉积速率。
Oen of the operations to prepare feed for working profiled aluminium is to cut off cast aluminium bar by a cut-off system known as key installation.
铝铸棒切断是为铝型材加工备料的过程，铝铸棒切断系统是铝型材加工过程中的重要设备。

The Federal Reserve, confronted with a global stock sell-off fanned by increased fears of an American recession, cut a key interest rate by three-quarters of a percentage point on Tuesday, the biggest one-day move by the central bank in recent memory.
NPR: Fed Sends Signal with Deep Cut to Interest Rate