The important feature of this boat was a diver’s compartment, enabling divers to leave the vessel when submerged, for the purpose of operating on wrecks or performing other undersea duties. 佚名.神奇的知识之书.
During the experiment in Long Island Sound the pump was stopped for ten minutes, while the diver was at a depth of 100 feet. 佚名.神奇的知识之书.
A reservoir containing highly compressed air is fixed on the diver’s back, which supplies him with air by a self-regulating apparatus at a pressure corresponding to his depth. 佚名.神奇的知识之书.
So the diver hoisted it up, and was much disappointed on opening it to find no pearls. 路易莎·梅·奥尔科特.小妇人.
The diver sometimes carries on his back a tank of compressed air, from which the air escapes through a tube to the space between the body and the suit. 伯莎M.克拉克.科学通论.
The diver in this invention carries his pump with him and has air supplied to him at atmospheric pressure. 佚名.神奇的知识之书.
In the Long Island Sound experiments the diver was hoisted to the surface in eighty-seven seconds. 佚名.神奇的知识之书.
DIVER The week passed away. 戴维·赫伯特·劳伦斯.恋爱中的女人.
The great object in all these is to furnish the diver with fresh air, without which he must either make but a short stay under water or perish. 佚名.神奇的知识之书.
Leaden weights are attached to the diver, and his shoes are weighted, that he may be able to descend a ladder, walk about below, etc. 佚名.神奇的知识之书.
According to the British Admiralty regulations, should a diver go down to a depth of 204 feet, the time of his ascent must be not less than one hour and a half. 佚名.神奇的知识之书.
Without the aid of artificial appliances a skilful diver may remain under water for two, or even three minutes; accounts of longer periods are doubtful or absurd. 佚名.神奇的知识之书.
When the air has become foul, the diver opens a valve in his suit and allows it to pass into the water, at the same time admitting a fresh supply from the tank. 伯莎M.克拉克.科学通论.
A diver has remained an hour and a half under thirty-five feet of water in this suit. 佚名.神奇的知识之书.
Another form, known as the Fleuss dress, makes the diver also independent of exterior aid. 佚名.神奇的知识之书.
The important feature of this boat was a diver’s compartment, enabling divers to leave the vessel when submerged, for the purpose of operating on wrecks or performing other undersea duties. 佚名.神奇的知识之书.
Divers and men who work under water carry on their backs a tank of compressed air, and take from it, at will, the amount required. 伯莎M.克拉克.科学通论.
This vessel and its successors have bottom doors for the use of divers, as previously stated. 佚名.神奇的知识之书.
The earliest birds seem to have been carnivorous divers and water birds. 赫伯特·乔治·威尔斯.世界史纲.
Divers young ladies watched them afar off, but ventured not nigh. 夏洛蒂·勃朗特.雪莉.
Few tombs on earth command the veneration of so many races and men of divers creeds as this of Joseph. 马克·吐温.傻子出国记.
This is blind work when done by divers from the surface, the returns being largely matters of chance. 佚名.神奇的知识之书.
Charles Goodyear took this nearly worthless material, and made of it, as Parton said in 1865--not a new material merely, but a new class of materials, applicable to a thousand divers uses. Edward W. Byrn.十九世纪发明进展.
Pictures are the universal language, not only to those of divers tongues, but to those of every stage of mental development. 佚名.神奇的知识之书.
We have shot others of divers nationality. 欧内斯特·海明威.丧钟为谁而鸣.