direction of welding
un. 焊接方位
[网络] 焊接方向;焊接标示
考试词汇表
- Acetanilid poisoning
- Acetate,Chlormadinon
- Acetate,Desmopressin
- Acetate,Flurogestone
- Acetate,Levomethadyl
- Acetate,Melengestrol
- Acetate,Mitoxantrone
- Acetate,Teriparatide
- Acetehydroxamic Acid
- Acethylis Imidazolas
- Acetoxyphenylmercury
- Acetyl CoA Deacylase
- Acetyl CoA Hydrolase
- Acetyl-Hydroperoxide
- Acetylases,Arylamine
- Acetylbenzoylaconine
- Acetylcholine Agents
- Acetylene-Propadiene
- Achalasia,Esophageal
- Achegour, Falaise d'