例句與造句

1. In practice, the uniflow engine has a number of operational shortcomings.
2. The uniflow engine was the most efficient type of high-pressure engine.
3. However, the thermal expansion gradient uniflow engines produce along the cylinder wall gives practical difficulties ..
4. Almost all uniflow engines were large stationary types, but the system was tried by, among others, the Proc.
5. Low-water-content water-tube boilers were commonplace and even monotube steam generators and uniflow engines were regular features.
6. It's difficult to find uniflow engine in a sentence. 用uniflow engine造句挺難的
7. *The uniflow engine primarily the work of Dan Gelbart, a well known retired engineer who specializes in ressurecting obsolete and forgotten technologies.
8. White Cliffs Solar Power Station used a three-cylinder uniflow engine with " bash " type admission valves to generate about 25 kW electrical output.
9. Uniflow engines potentially allow greater expansion in a single cylinder without the relatively cool exhaust steam flowing across the hot end of the working cylinder and steam ports of a conventional " counterflow " steam engine during the exhaust stroke.
10. By this means, the simple-expansion uniflow engine gives efficiency equivalent to that of classic compound systems with the added advantage of superior part-load performance, and comparable efficiency to turbines for smaller engines below one thousand horsepower.
11. Uniflow engines attempt to remedy the difficulties arising from the usual counterflow cycle where, during each stroke, the port and the cylinder walls will be cooled by the passing exhaust steam, whilst the hotter incoming admission steam will waste some of its energy in restoring working temperature.
12. *There are three methods of handling spent steam in a uniflow engine . 1 ) The engine can adiabatically recompress spent steam at TDC to convert mechanical energy ( stored in the flywheel ) back into heat, some of which is lost though the insulation around the cylinder head.
13. The most efficient reciprocating steam engine design ( per stage ) was the uniflow engine, but by the time it appeared steam was being displaced by diesel engines, which were even more efficient and had the advantage of requiring less labor for coal handling and oil being a more dense fuel displaced less cargo.