spray rod的用法和樣例：
例句
- The coatings are sprayed onto the components being analyzed by using aerosol cans or compressed-air spray guns.
涂料是用按鈕噴霧罐或壓縮氣噴槍噴到所要分析的零件上去的。 - Theposition of the spray gun can be adjusted laterally and longitudinally by an adjustor.
利用文丘利原理，由壓縮空氣通過(guò)噴槍將石英砂高速?lài)娚涞侥＞咝颓粌仁刮酃盖宄蓛?，灰塵由吸塵器吸除，石英砂回收重新使用。
