Large quantities of water _____ for irrigation.
Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be () to maintain ambient conditions within the comfort zone by air conditioning.
If the capacity of the refrigeration compressor is too large, the saturation temperature will ().
The worst pollution threat is concentrated in and near large cities. There the people-made pollutants increasingly surpass the ability of air and water to dilute (冲淡;稀释) the contaminants (污染物) to safe levels. The natural ecological cycle depends on plants, which absorb some pollutants and release oxygen to the air. But near large cities, natural vegetation becomes scarce, and introduced trees, ornamental shrubs and gardens are far from adequate in absorbing motor vehicle and industrial air pollutants. Finally, some pollutants, most notably atomic waste, may continue to contaminate air, land, and water for thousands of years. Therefore, ecocrisis—ecocatastrophe or ecocide—has been for some time one of the major concerns of not only the ecoactivists and environmentalists, but of many scientists of other fields and the government authorities of many countries as well.
Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of ().
When the()is large, the ship is stiff; and when it is small, she is tender.
Practice 4 ● Mr. White is going to order a large amount of commercial computers from your company. He also shows an interest in your company’s electrostatic copier, which is in the charge of Mr. Blair, your colleague. Mr. White would like to bring 8 samples and some specifications back home to make a trial sale.
● Write a note to Mr. Blair, one of your colleagues.
● Telling him the fact that Mr. White is interested in electrostatic copier.
● Mentioning the number he wants to have.
● Suggesting their direct contact.
● Write 30-40 words on your answer sheet.
() are more suitable for large quantities at low pressure.
The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?()