您要查找的是不是：
- 阀 valve
- 电磁阀 solenoid pilot actuated valve
- 在地上 on the ground
- 地上 overground
- 闸阀 gate(brake; shutoff; shut-off) valve
- 地上的 overground
- 球阀 ball plug
- 截止阀 disconnecting valve
- 地上消火栓 post fire hydrant
- 阀值 threshold values
- 放在地上 ground(ing)
- 单向阀 holding valve
- 阀芯 case
- 他从树上咚地一声摔在了地上。 He fell out of the tree and landed on the ground with a thud.
- 阀体 valve body
- 地上式消火栓 above hydrant
- 溢流阀 spillover valve
- 一个杯子掉到地上。 A cup fell down to the ground.
- 换向阀 reversing valve
- 她被击昏倒在地上。 She was stunned and sank to the ground.
