您要查找的是不是:
- 防to protect
- 阀valve
- 电磁阀solenoid pilot actuated valve
- 防晒sun-proof
- 回火temper
- 防爆explosion prevention
- 闸阀gate(brake; shutoff; shut-off) valve
- 以防lest should
- 球阀ball plug
- 防辐射radiation protection
- 截止阀disconnecting valve
- 防滑deslick
- 阀值threshold values
- 安防security protection
- 单向阀holding valve
- 防静电static-free
- 阀芯case
- 防雷lightning protection
- 阀体valve body
- 防控prevention and control