But I do have a hard time protecting myself from insect repellents that humans sometimes spray on plants.
但我确实也有不好过的时候，就是保护自己免受有时人类喷洒在植物上的驱虫剂的侵害。
2
Surface thermal spray weld process with alloy powder is a new technology of surface protecting and hardening.
合金粉末表面热喷焊技术是一种新的表面防护和强化工艺。
3
To learn the status of triphenyl in the spray-paint plants of traffic and machinery manufacturing enterprises of Liaocheng and provide basis for protecting the workers' health.