Seat ring 阀座环 ; 密封圈 ; 座环
renewable seat ring 可更换的阀座环 ; 可改换的阀座环 ; 可更换的阀底座 ; 可调换的阀座环
o-ring seat O型圈座
ring-seat chair 弹簧座椅
rubber ring seat 橡胶环座
static ring seat 静环座
A double flexible metallic O-Ring seat provides a (1) static and (2) dynamic seal and assures compliance to fire-safe specifications.
双重柔性金属O形环阀座具有静止和动态密封性能,确保符合防火规则要求。
If the pilot had to pull the "d" ring (ejection handle) in an emergency, the cables would snap the wearer's feet back under the seat to ensure a smooth and safe ejection from the aircraft.
当发生紧急情况,飞行员需要弹射时,缆绳会将马刺佩戴者的足部从座椅下方拉出来,以确保弹射安全。
Another piece of experiment report also points out, will be 1 million polio virus into the toilet inside, splashed seat ring virus unexpectedly is 3000.
另一份实验报告也指出,将1亿个脊髓灰质炎病毒投入马桶内,溅到座圈上的病毒竟有3000个。
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