樽海鞘这种生物呈筒状,通过全身收缩、排出海水来推动自己凝胶状的身体移动。
The salp is barrel-shaped and moves by contracting, pumping water through its gelatinous body.
台车式电阻炉的外壳呈圆筒状,内部是由耐火砖砌成的竖井式炉膛,所以台车式电阻炉因此而得名。
The shell of the trolley type resistance furnace is cylindrical, and the inside is a vertical shaft furnace made of refractory bricks.
绒线帽一种编织的羊毛帽,呈圆筒状的袋形,通常两头带尖,戴时须将一端叠入另一端。
A knitted woolen cap in the form of a cylindrical bag often with tapered ends that is worn with one end tucked into the other.
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