1.
coast down a hill(ie in neutral gear)to save petrol
滑行下山以省汽油（如使用空挡）
2.
A car runs on petrol.
汽车以汽油作燃料行驶。
3.
You can coast downhill on a sled or a bicycle.
你可以乘雪撬或骑自行车向山脚下滑行。
4.
AUTOMOBILES AND LUBRICATING OILS;
汽车与润滑油——中国汽车行业和润滑油行业现状与关联性简要分析
5.
steam-refined cylinder stock
汽炼汽缸油,重(润滑)油
6.
apply lubricants to' lubricate my car engine.
为加润滑油，润滑一下我的汽车的发动机。
7.
The car run down the hill under its own impetus.
汽车藉著本身的冲力滑下山。
8.
The car ran down the hill under its own impetus.
汽车借着本身的冲力滑下山。
9.
petroleum, oil and lubricants
汽油、机油及润滑油
10.
Petrol, oil and lubricants
汽油、机油和润滑油
11.
a clear oily poisonous liquid added to gasoline to prevent knocking.
一种清亮油滑的有毒液体，加入汽油中可以抗震。
12.
gasoline-oil consumption ratio
汽油-润滑油消耗比
13.
You can coast downhill on a bicycle.
你可以骑自行车滑下坡。
14.
This car runs 5 miles on a gallon of gasoline.
这部汽车一加仑汽油可以行驶五英里。
15.
A hill or other slope down which one may coast, as on a sled.
下滑的斜坡可以乘雪橇顺着滑下的小山或斜坡
16.
You must drive at a regular speed if you want to save petrol.
你若想节省汽油，就得以恒速开车。
17.
cylinder lubrication cock
汽缸润滑旋塞，汽缸滑油开关
18.
AN ANALYSIS ON QUALITY STATUS OF AUTOMOBILE ENGINE OIL IN CIRCULATION AREA OF GUANGDONG PROVINCE;
广东省流通领域汽车发动机润滑油的质量状况及分析