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hollow cylinder ['hɔləu 'sɪlɪndə]
chem. 薄壁圆筒
el. 空心圆筒
oil 空心圆筒体
tech. 圆筒体; 空心圆柱体
hollow cylinder
: 10 phrases in 5 subjects
Bridge construction1
Engineering geology3
Metallurgy1
Oil / petroleum2
Technology3