施喷外表必定要用水洗洁净，有油质，蜡质要用出有剂出油，新焊接或除铁锈后的金属外表要用——环氧树脂防锈底漆处理以防生锈。
Spraying must be washed clean appearance, there is oily wax with a agent oil, new welding or metal appearance except rust after use of epoxy resin antirust primer to prevent rust.
最后指出无论从铝合金熔体处理本身的需要，还是与国外的先进除气设备相比， 国内的旋转喷吹净化技术都有待开拓。
Domestic spinning rotor technology need to be exploited both in the sense of melt treatment process itself and comparing with overseas advanced degassing equipments was pointed out in the end.
在衣服及除脸以外暴露在外界的皮肤上喷抹含有DEET的驱虫剂。
Spray insect repellent containing DEET on clothes and on exposed skin other than the face.
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