... Time Extension Ring 延长时间环 Integral extension of a ring 整性 ring extension 环扩张 ...
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循环扩张 [数] cyclic extension
活塞环扩张器 piston ring expander ; compression inner ring
主动脉环扩张 annuloaortic ectasia ; expansion of aortic circle
瓣膜环扩张 Expansion valve ring ; Ring Expansion valves ; Valve ring expansion
循环扩张体 cyclic extension field
环扩张器工具 ring expander tool
群循环扩张 cyclic extension of groups
环扩张器导管 ring expander guide
扩张环 tensioner ring
他指出，从环太平洋缓慢生长的珊瑚中获得的气候数据表明，在拉皮塔扩张时期，厄尔尼诺现象曾频繁爆发，这很不寻常。
He points out that climate data obtained from slow-growing corals around the Pacific indicate a series of unusually frequent El Ninos around the time of the Lapita expansion.
轴向拉伸比和环向扩张比要合理匹配。
The axial drawing ratio and hoop extension ratio should be properly matched.
目的探讨导尿管球囊扩张治疗环咽肌失弛缓症的可行性。
Objective To explore the feasibility of catheter sacculus expanding therapy for cricopharyngeal achalasia.
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