cast-iron ring 圆形漏斗架
cast iron ring 生铁圈
piston cast iron ring 活塞铸铁环
angle iron ring 角铁环
spheroidal graphite iron ring 球墨铸铁环
an iron ring 铁环
iron ring tower bolt 弹簧插销
Steel claw on phosphorus iron ring with a hammer or pressure to that of the steel talons.
钢爪上的磷铁环用锤击或压脱使之与钢爪分离。
On the spot it had occupied was a circular space, exposing an iron ring let into a square flag-stone.
在大石所呆的地方出现了一个圆形的空间，中间有一块四方形的石板，上面有一个铁环。
On the spot it had occupied was a circular space exposing an iron ring let into a square flag-stone.
在大石所呆的地方出现了一个圆形的空间，中间有一块四方形的石板，上面有一个铁环。
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