The main part of a hollow steel drum, and no joints.
其主要工作部分是空心鼓和无接头钢带。
Each dart consisted of a hollow steel needle with a paper tail.
每个飞镖由一个带着纸尾巴的空心铁针组成。
Cast steel hollow spherical joint with tube is a new type of cast steel joint.
铸钢空心球管节点是一种新型的铸钢节点形式。
As a steel ship is hollow, it floats on water.
铁船是空心的，因此能浮在水上。
Study has been made on producing concrete hollow block using steel slag.
对用钢渣生产混凝土空心砌块进行了研究。
Material: Stainless Steel Solid, Hollow, Iron.
材质：不锈钢实心，空心，铁。
Material: Stainless Steel Solid, Hollow, Iron.
材质：不锈钢实心，空心，铁。
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