heat control valve shaft

例句：

1. 1. The engineerdesigned the new heat control valveshaft to improve efficiency.
   工程师设计了新的加热控制阀轴以提高效率。
2. 2. Thetechnician replaced the old heat control valve shaftwith a new one.
   技术员用一个新的加热控制阀轴替换了旧的。
3. 3.The manufacturer tested the new heat control valveshaft for durability and reliability.
   制造商测试了新的加热控制阀轴以检验其耐用性和可靠性。