But in some respects cave dwellers were far cleverer than us.但是在某些方面穴居人要比我们聪明得多。Most of the mouth of the cave was submerged in the lake.洞口大半都淹没在湖里。The force of the water washed him back into the cave.大水把他冲回到洞里。...
Several different types of troubles may be caused by improper conditions in the evaporative - emission - control systems.蒸发控制系统的不正常工况能引起不同类型的故障.All automobile engines now built are equipped with the positive - crankcase ...
Adopt the gantry multi - armed mechanically deferent manners, run fast.此款超声波采用龙门多臂机械输送方式, 运行快捷.Adopt the gantry multi - arms mechanically deferent manner, run steady.采用龙门多臂机械手输送方式, 运行快捷.Finally, numerical examples for de...