two-step nozzle

例句：

1. 1. This two-step nozzle is designed to deliver a fine mist for precise application.
   这款双步骤喷嘴设计用于提供细雾，以便精确应用。
2. 2.The two-step nozzle reduces the amount of water needed for cleaning by allowing it to be used in both high and low pressure settings.
   这款双步骤喷嘴通过允许在高压和低压设置下使用，减少了清洁所需的水量。
3. 3. The two-step nozzle was developed to improve the efficiency of welding operations by reducing theamount of gas required.
   这款双步骤喷嘴的开发旨在提高焊接操作的效率，通过减少所需的气体量来实现。