The required amount in the change of speed necessary before a governor will make a corrective movement is known as （）.
B
举一反三
- It is necessary to make a status inquiry ____ your customer before the execution of the order.
- It is necessary _____ us to make full preparations before a test. A: by B: to C: for
- At 1923，you increase speed to make good 9.2 mph. What is the first gage you will pass after your speed change?（）
- 列出必要的上具清单。 A: Make a list of the necessary tools. B: Compile a list of the required tools. C: Create a list of the required tools.
- The ability of the governor to prevent fluctuations in engine speed is termed （）.
内容
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2. Customers are asked to make sure that they __________(give) the right change before leaving the shop.
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_____ is really necessary before business negotiation A: Making appointment B: Rearrange the schedule C: Change the appointment D: Sending the invitation
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Corresponding to the transverse movement of music in space, the vertical movement of music is: A: Time B: Speed C: Rhythm D: Movement
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It is necessary to make a status inquiry ____ your customer before the execution of the order. A: Ainto B: Babout C: Cfor D: Dafter
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The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.( ) A: water flow B: fall C: water speed D: elevation