feed valve block

例句：

1. 1.The engineer was asked to replace the oldfeed valve block with a new one.
   工程师被要求用一个新的给料阀块替换旧的。
2. 2. The technician had to disassemblethe feed valve block to inspect it forany damage.
   技术人员不得不拆开给料阀块来检查是否有损坏。
3. 3. The manufacturerrecommends that the feedvalve block be replaced every sixmonths to ensure proper functioning.
   制造商建议每六个月更换一次给料阀块，以确保正常工作。