carbon steel 跟 cs carbon steel有什么区别?
carbon steel 跟 cs carbon steel有什么区别?
carbon steel
1045 carbon steel 是否防锈
mid carbon steel Grol 8
100 mts carbon steel flat bars 什么意思
low carbon aluminized steel 是什么材料
carbon steel to bs3100 grade 急
cold rolled low carbon steel 怎么翻译呢?
Gate Valve,Bolted Bonnet- Bolted Gland,OS & Y,Carbon Steel,.
Seamless carbon steel tubes EN10305-1 ST52 NBK
请问Carbon steel Plain Flanges PN-16 RF DIN
英语翻译Carbon Steel Seamless Pipes with wall thickness .844"21.