1.
anti-drawning mask
带氧气呼吸器的轻型潜水面罩
2.
The headgear with a glass mask worn by deep-sea divers.
（潜水）头盔由深水潜水员戴的带有玻璃面罩的帽盔
3.
A protective plate covering the human face, as of a welder or diver.
面罩盖在人脸上的保护罩，如熔焊工人的或潜水员的
4.
Research on Surface ship Anti-submarine Operation Experiment Model System
水面舰艇反潜战法实验平台仿真模型体系研究
5.
a suBmarine surfaced outside the harBor.
潜水艇在港外浮到水面。
6.
a diver issuing from the water;
从水面露出的潜水员；
7.
The diver came up for air again.
潜水员又露出水面换气。
8.
Hookah type diving apparatus
水面供气式潜水装具
9.
Below the water table is the zone of saturation.
潜水面以下就是饱水带。
10.
Study On The Rebuilding Of Asphalt Overlay On Old Cement-concrete Pavement
旧水泥混凝土路面沥青罩面改造研究
11.
The Influence of Cab Roof Vane to the Aerodynamic Characteristics of Lowduty Box Van
导流罩对轻型厢式货车气动特性的影响
12.
Oil splashed on the foil surface should be wiped lightly using a soft cloth after the shaver is turned off
在关掉剃须刀后用软布轻轻擦拭飞溅到网罩表面的油
13.
the undersurface speed of a submarine
潜艇在水面下的速度
14.
The submarine resurfaced.
潜艇重新浮出水面.
15.
hood having a maxium horizontal side not exceeding 120cm
最大水平面不超过120cm 的排气罩
16.
recycling hood with maximum horizontal side not exceedin 120cm
循环排气罩,最大水平面不超过120cm
17.
Improvement of the Hot Runner Injection Mold for CBP12 Water Tank Cover
CBP12水箱面罩注射模热流道改进
18.
Why can a submarine float and sink?
为什么潜水艇既能浮在水面，又能潜入水底？