The diving school has acquired a franchise for scuba equipment.
No combined exploitation of paretic water and artesian water already polluted may be permitted.
对已受污染的潜水和承压水，不得混合开采。
A submarine glided silently through the water.
一艘潜水艇无声地在水中滑行。
Within a short time, everything on the submarine was buttoned up.
不一会儿, 潜水艇内所有的东西都扣紧了。
I asked to get buddied up with an experienced diver.
我要求和有经验的潜水员搭档。
I first got hooked on scuba diving when I was twelve.
12 岁时我开始迷上了带水肺潜水。
The diver stayed down for some time.
潜水员在水下待了一些时候。
Two divers work together while a standby diver remains on the surface.
两名潜水员协同工作,同时有一名候补潜水员留在水面上。
While on honeymoon in Bali, she learned to scuba dive.
The men are diving for pearls.
这些人正在潜水采集珍珠。
A submarine surfaced outside the harbor.
潜水艇在港外浮到水面。
Weathered rock is the predecessor of saprolite and is mainly made of corestones surrounded by saprolite crust.
土层可贮存上层滞水，风化岩带则可赋存潜水或承压水。
Guests can make use of Quinta De Vigia's lovely outdoor pool area whilst admiring the sea views.
您可于带有潜水区的奥林匹克标准尺寸的游泳池畅游，而您的孩子则可在儿童游泳池玩乐。
Photo Gallery: Underwater Landscapes Schools of silversides swim with a diver off western Grand Cayman.
水下风景开曼群岛西部，银鱼群与一名潜水员一起游泳。
The French navy has built an abyssal bathyscaphe to take three men to the floor of the Marianas Trench.
The submarine signaled for help.
潜水艇发出求救的信号。
Swimming about the capstone, which the Arizona diver thought looked like lapis lazuli, he discovered an entranceway and decided to explore further.
Minish the well space and increase transflux routeways upper backwater and driving, especially setup precipitation well and drain residual water at the bottom of diving layer.
减小井间距，增加上层滞水和潜水的入流通道，尤其要在潜水含水层底板低洼处设置降水井将低洼处的残留水引走。
When barotrauma has occurred in the middle ear, it is not unusual for the diver to have a sensation of pressure or fullness and decreased hearing.
当中耳受到气压性创伤的时候，潜水者会经常有压力、充塞和听力下降的感觉。
By comparing the characteristics of submersible pump and vertical lineshaft turbine pump, comments are introduced on the selection and application of sea water lift pump and fire water pump.