您要查找的是不是：
- Modification of Plastic Gear Materials 塑料齿轮材料的改性研究
- The development trends of domestic automobile carburized gear material and heat treatment technology were forecasted as well. 展望了我国汽车渗碳齿轮材料和热处理工艺的发展趋势与应用。
- The driven gear fits its driving gear like a glove. 这个从动齿轮与它的主动轮啮合得非常好。
- My whole morning's work has been put out of gear by that mishap. 我一个上午的工作全让这倒霉的事给弄得乱了套。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- All his camping gear was packed in the rucksack. 他的野营物品全都放在背囊里了。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- Put the gear lever in the neutral position. 把变速杆推到空挡的位置。
- Should change gear the engine's starting to labour. 你该换挡了－－发动机有些吃不住劲了。
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- The car has four forward gear and one reverse gear. 那汽车有四个前进挡和一个倒挡。
- Our effort is gear to a higher level of production. 我们调整力量将生产推向更高的水平。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- My watch got out of gear and would not run. 我的表出毛病了，它不走了。
- He is collecting materials for a book. 他正在为写书搜集素材。
- If you try to start off in top gear you'll stall. 要是刚一发动就用最高挡，那就会熄火。
- Building materials are expensive. 建筑材料很昂贵。
- We portaged our gear around the rapids. 我们把装备转由陆上运输以绕过湍滩。
- Take your foot off the clutch after changing gear. 换档之後,脚离离合器。
