working environment是什么意思：作業環境

 

　　working environment的例句和用法

　　Select the suitable lubricating oil or grease according to the different environmental temperature, to ensure the normal lubrication when the drifter is working.
　　為了保證機置運轉時的正常潤滑，應根據作業環境溫度合理選用潤滑油和潤滑脂。