1.
With certain shapes of nozzle or canula, elongated caps are made to cover both canula and threaded portion, and seal the canula at its top.
根据管口和导管的不同形状，可以制造细长的管盖以覆盖导管和螺纹部分，并在顶部封住导管。
2.
A fitted covering used to seal a well or large pipe.
封闭盖用以封闭井或大管子的盖子
3.
halogen-quench Geiger tube
卤素猝灭盖革计数管
4.
bellows seal bonnet
波纹管密封型上阀盖
5.
The stainless steel cover can prevent contamination.
配有不锈钢转子盖子，防止试管崩盖污染。
6.
Install cylinder head, intake manifold, and exhaust manifold, refer to cylinder head installation in this section.
安装汽缸盖，进气歧管和排气管，请参阅本部分的汽缸盖安装。
7.
The membranous outer covering of an organ or a blood vessel.
外膜器官或血管的膜状外表覆盖物
8.
Although they have never built houses before,
尽管他们以前从没有盖过房子，
9.
geiger klemperer counter
盖革 克勒姆佩雷尔计数管
10.
Xiangzi, his mind a blank, trudged on with his bedding-roll.
祥子没有想什么，只管扛着铺盖往前走。
11.
Steel pipe blank flanges with raised face for PN 5.0MPa (50 bar)
GB/T9123.13-1988PN5.0MPa(50bar)凸面钢制管法兰盖
12.
Steel pipe blank flanges with raised face PN 2.0MPa (20 bar)
GB/T9123.12-1988PN2.0MPa(20bar)凸面钢制管法兰盖
13.
Steel pipe blank flanges with raised face for PN 4.0MPa (40 bar)
GB/T9123.11-1988PN4.0MPa(40bar)凸面钢制管法兰盖
14.
Steel pipe blank flanges with raised face for PN 25.0MPa (250 bar)
GB/T9123.16-1988PN25.0MPa(250bar)凸面钢制管法兰盖
15.
Steel pipe blank flanges with raised face for PN 10.0MPa (100 bar)
GB/T9123.14-1988PN10.0MPa(100bar)凸面钢制管法兰盖
16.
Steel pipe blank flanges with raised face for PN 2.5MPa (25 bar)
GB/T9123.10-1988PN2.5MPa(25bar)凸面钢制管法兰盖
17.
Steel pipe blank flanges raised face for PN 15.0MPa (150 bar)
GB/T9123.15-1988PN15.0MPa(150bar)凸面钢制管法兰盖
18.
Steel pipe blank flanges with raised face for PN 0.25MPa (25 bar)
GB/T9123.6-1988PN0.25MPa(2.5bar)凸面钢制管法兰盖