surtace meaning in English

水陆路

The azimuthal correcting formula on gauss equil - angle spherical surtace and its applications
高斯等角球面上的方位角改正公式及其应用
1enviromental protection neutral oil cleaning technology : european general - purpose neutral oil treatment technology is used for cleaning before spray coating instead of using acid o alkali agents . this pollution - free cleaning technology ensures that no acid or alkali substances are left on plate surtace after cleaning , and further guarantees the quality of later spray coating for stronger powder adhesion without blistering or coming off
1环保中性涂油清洗技术：在喷涂前的清洗技术，采用欧洲通用的中性涂油处理技术杜绝使用酸碱类试剂，对环境无污染，并保证清洗后的板面无酸碱残留，保证后续喷涂质量，使粉末附着力更强，不易起泡不易脱落。