tube blank meaning in English

管坯

Numerical simulation on the electromagnetic centrifugal casting of tube blank
空心管坯电磁离心过程的数值模拟
Bamboo tube blank board
竹地板坯板
The main products include tube blank steel , alloy steel , pinion steel , bearing steel , spring steel , stainless steel , etc . operation mode : mainly sales through our own channels , or accept customers materials for processing with different specifications . annual production capacity : 500 , 000 tons
经营方式：以自销产品为主，亦可来料加工不同型号及规格的产品。年生产能力达50万吨。