例句與造句

1. Evans said that a simple hand-priming pump, for example, costs $ 850 in Kenya but $ 125 in India.
2. It appears to have origins in fuel priming pumps developed in the early 20th century ( e . g . by Frederick Lunkenheimer ).
3. There is also a Ruston & Hornsby 1VTO auxiliary engine, used to provide the starting air for the larger engine and to operate a small priming pump for the Gwynnes Limited pump.
4. Such pumps can also serve as " priming pumps ", so called when they are used to fulfill that need for other pumps in lieu of action taken by a human operator.
5. Oil dilution systems were developed ( mixing fuel with the engine oil ), engine pre-heaters were used ( including lighting fires under the aircraft ) and a Ki-Gass priming pump system was used to assist starting of British engines.
6. It's difficult to find primer pump in a sentence. 用primer pump造句挺難的