initial shut-in pressure

例句：

1. 1.The initial shut-in pressure is the pressure at the beginning of a process.
   初始封闭压力是过程开始时的压力。
2. 2. The initial shut-in pressure is critical for maintaining the integrity of the system.
   初始封闭压力对保持系统的完整性至关重要。
3. 3. The initial shut-in pressure must be carefully controlled to prevent any potential hazards.
   初始封闭压力必须小心控制，以防止任何潜在的危险。