supply pressure null shift

例句：

1. 1.The sudden drop in oil prices has caused a supply pressure issue for the oil companies.
   油价的突然下跌给石油公司带来了供应压力问题。
2. 2. During the manufacturing process, there is a need to monitor and control the supply pressure to ensure quality.
   在制造过程中，需要监控和控制供应压力以确保质量。
3. 3. The engineer had to perform a null shift to compensate for the unexpected supply pressure fluctuations.
   工程师不得不进行空转以补偿意外的供应压力波动。