bridge plug seat 桥塞座
Semi-Plug Seat Ring 半插销座垫圈
spark plug seat 电嘴座
conical seat type spark plug 锥座型火花塞
Seat Post Plug 座管塞
single seat plug type 单阀座圆筒式
ball seat plug 球座塞
There is a whole area here on the main floor where you can bring a laptop and plug it in for power but on top of that we also have a connection for the internet at every seat.
在主楼层这里有一片很宽敞的区域可供使用笔记本电脑，也可以给电脑充电。并且，我们所提供的网络连接可以覆盖到馆内的每一个座位。
The unique ram-type plug and seat provide reliable, tight shutoff longer than any other design available.
独特的冲压式插头和阀座提供更可靠的服务。
The water path switching mechanism of the valve is composed of a push rod, a spring, a spring seat, a valve plug, etc.
阀的水路转换机构由推杆、弹簧、弹簧座、阀门塞等组成。
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