province tube county system 增生
(S30432) steel tube S30432钢管
[endoscopic]insertion tube 导像束
‘magic-eye’ tube 指示管; 电子射线管; 幻眼管
“C” type spring tube C型弹簧管
08Cr2AlMo steel tube 08Cr2AIMo钢管
12Cr steel tube 12Cr钢管
12Cr1MoVG tube platen 12Cr1MoVG管屏
18-8 type stainless furnace tube 18-8型不锈钢炉管
1D shock tube 一维激波管
1-Tube Cleansing Brush 加速器质谱(AMS); 加速器质谱计(AMS); 1个管道清洁扫
20 steel seamless rectangular tube 20钢无缝矩形管
20 steel tube 20钢管
20 tube blank 20管坯
20#Carbon steel base tube 2#碳钢基管
20G steel tube 20G钢管
20g tube bloom 20管坯钢; 酸量计
20Mn2 steel tube 20Mn2钢管
2-2-2 type tube straightener 2-2-2型矫直机
2A12 Alloy Tube 2A12合金管材