钢球球阀  ball

日常生活活活动能力  ADL

20升爆炸钢球  20-L-Apparatus

4Cr3Mo2NiVNb钢(HD钢)  4Cr3Mo2NiVNb(HD)steel

60钢钢丝  steel wire

9%Ni钢球罐  X8Ni9 ethylene spherical tank

AO微型不锈钢钢板  AO mini stainless plate

H型钢钢混叠合梁  H-formed steel concrete composite girder

U71Mn钢钢轨  U71Mn steel rail

ZG270-500铸钢活塞  ZG270-500 cast steel piston

鞍钢球团  Angang pelletizing plant

摆线钢球减速器  cycloid-ball reducer

包钢钢渣  steel slags

宝钢钢管分公司  steel tube division; Baosteel

扁球钢  flat bulb steel

标准钢球  standard ball

玻璃钢-钢抽油杆  Fiberglass-steel Sucker Rod

玻璃钢—钢混合抽油杆  fiberglass—steel sucker rod string

玻璃钢球阀  glass fibre reinforced plastic ball valve