您要查找的是不是：
- 这些机器需要哪种燃料? What sort of fuel do these machines need
- 这些机器需要哪种燃料？ What sort of fuel do these machines need?
- 这些机器需要经常保养维修 The machinery requires constant maintenance
- 这些机器需要经常保养维修。 The machinery requires constant maintenance.
- 这些 these
- 汽油是一种燃料，其油气容易爆炸。 Gasoline is a fuel whose vapor is readily explosive.
- 你最喜欢听哪种音乐?你喜欢听小夜曲吗? What kind of music do you like best? Do you like serenade?
- 安装这些机器要花的钱相当多，但从长远来说是上算的。 It has been rather costly to install the machinery, but it should pay off in the long run.
- 如果机器需要降低成本的话，必须将原材料的价格压低。 If the cost of machines needs to be reduced,the price of the raw materials must be forced down.
- 白种人 white
- 哪家 which
- 满足需要 satisfaction of wants
- 我可以保证这些机器的可靠性。 I can vouch for the reliability of the machines.
- 虎是一种普通的猫科动物。 The tiger is a common representative of the cat family.
- 把这些单词背熟。 Learn these words off by heart.
- 这家小公司推出新产品获得成功，因为这种新产品恰好是大众所需要的。 The small company hit the mark with its new product because it was just what the public wanted.
- 他竖了一根桩支撑新种的树。 He put up a stake to support the newly planted tree.
- 那要看你要哪种位子。 It depends on the sort of your seat.
- 。。。处的。。。公司能提供你们需要的我方的各种情况。 Messrs ... of ... can give you any information you desire about me.
- 8月1日，在这一天庆祝这些节日 August1, the day on which these feasts were celebrated.
