bell diving造句

• Bell diving bailout options : For bell dives there is no requirement for decompression gas, as the bell itself carries bailout gas.
• Bell diving bailout options : For bell dives there is no requirement for decompression gas, as the bell itself carries bailout gas.
• For bell diving and saturation diving the situation is more complex and the control position may well be inside a compartment where the communications, control and monitoring equipment for the bell and life-support systems are set up.
• Chuck Knoblauch pulled a hard grounder down the third-base line, and Seattle's David Bell dived and reached the ball with his glove _ but he could only deflect the ball, which rolled about 40 feet into foul territory.