Why It's Unique: With a 76-foot diameter, Yerba BuenaIsland Tunnel is the world's widest single-bore tunnel, an impressivefeat considering it opened in November of 1936.
独特之处：直径达76英尺的耶尔瓦布埃纳岛隧道是世界上最宽的单孔隧道，1936年11月，这项令人印象深刻的工程落成开通。
In addition, the company's hydraulic motors will drive 32 special tires that contact the 648-foot diameter wheel, making it rotate at a constant speed of three times an hour.
此外，该公司的液压马达将带动32条特制轮箍，而这些轮箍连接到这个直径为648英尺高的摩天轮，使其以每小时旋转三次的匀速旋转。
Each Poo-Gloo device is six feet in diameter, three feet high, and sits on a foot-tall base.
Poo - Gloo设备直径6英尺，高3英尺，底部有一个1英尺高的底座。
Nestled among the branches, up off the ground, there’s a nine-foot-diameter hardwood floor and groovy round mattress inside.
它位于数的枝干之间，地面之上，里面有一个直径九英寸的硬木板和一个绝妙的圆形床垫。
The tallest volcano, Chandragup I, is about 100 meters (330 feet) high, and it has a 15-meter- (49-foot-) diameter mud lake in its crater that periodically overflows.
最高的乾德拉格普1号峰高约100米（330英尺），在火山口有一个直径约15米（49英尺），定期泛滥的泥浆火成湖。
Riser pipe: a four-foot-diameter steel pipe called a riser connects the ship to the borehole.
立管：直径四英尺的钢管(称为“立管”)将船和钻孔连接起来。
The holes are only borings, less than a foot in diameter.
这些洞只不过是一些钻孔，直径不到1英尺。
The pump connects to a 33-foot-long, four-inch-diameter polyester-and-rubber hose.
水泵连接了一条长 33 英尺、直径为 4 英寸的聚酯胶管。
Floated, about a foot in diameter, and within it showed a tableau of a land with blue sky and green fields.
它在空中漂浮，直径大约一码，里面展示着一片充满生机的世界——碧蓝的天空、翠绿的大地。
The interface of the foot portion with the seal ring defines an interference diameter.
足部与密封环的交界面限定干涉直径。
Although the designs are at an early stage, the released drawings propose to convert the historic building into a museum, while marrying it with a 140-foot-diameter glass dome.
虽然设计还是在初期，但从流出来的图纸来看，这个历史建筑将成为一个博物馆，同时它将有一个直径140英尺的玻璃圆顶。
It was about a foot in diameter at the big end, and he had expected to get a good saw-log, but it was so rotten as to be fit only for fuel, if for that.
大的一端直径有一英尺，原来他希望得到一些可以锯开的木料，可是树干已经腐烂得只能当柴火，这是说如果要拿它当柴火的话。
Since 2000, the industry standard has been 300 mm [about a foot in diameter].
从2000年开始，硅晶片直径的行业标准达到 300毫米（直径大约一英尺）。
Since 2000, the industry standard has been 300 mm [about a foot in diameter].
从2000年开始，硅晶片直径的行业标准达到 300毫米（直径大约一英尺）。
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