Terms for subject Metallurgy containing API

English	Chinese
API buttress thread casing	API 锯齿形螺纹套管
API casing with long coupling	API 长接箍套管
API external upset tubing	API 管端外壁镦厚管材
API gravity	API 比重
API internal upset drill pipe	API 管端内壁镦厚钻杆管
API internal upset drill pipe	API 管端内壁镦厚钻杆
API line pipe	API 管线用钢管
API line pipe	API 管线用管材
API seamless buttress thread casing	API 锯齿形螺纹无缝套管
API seamless buttress thread casing API	锯齿形螺纹无缝管
API standard casing	API 标准套管
API standard tubing	API 标准钢管