相关题目
单选题
158 VERTICAL
单选题
157 Used to induce and convert fuel-air mixture into power
单选题
156 unlock
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155 UNDEMANDED
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154 TRICHLOROETHYLENB
单选题
153 torque
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152 To make or become larger as a result of pressurization by a gas.
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151 To attach an item in or to a second item.
单选题
150 Those units and components which store,regulate,and deliver oxygen to the passengers and crew, including bottles, relief valves, shut-off valves, outlets, regulators, masks, etc.
单选题
149 Those units and components ( )which deliver large volumes of compressed air from a power source to connecting points for such other systems as environmental controls, deicing, etc.
