The current flows into electric motors that drive the wheels.电流流入了驱动车轮的电动机。...wheels crunching over a stony surface.嘎吱嘎吱地驶过石头路面的车轮The engine is cogged to the wheels by the transmission.这个引擎经传动装置被卡榫到轮子.Where the vehicle h...
为建立用ICP -AES 技术分析测定硼铁的方法开展了试验研究.Tests were studied to make an approach to ferroboron by ICP - AES technology.高硼铁 基合金 是一种新型 耐磨 材料.High boron iron - based alloy ( HBIA ) is a kind of new wear - resistant material.氢氧化钠容量法测定...