alternate use交替使用
alternatev.交替;轮流adj.间隔的;轮流的;交替的n.代替者;供替代的选择
Alternate Wide-Band Communications System预备宽带通讯系统
alternate adsorption-desorption treatments循环解吸-吸湿处理
alternate mechanical with chemical treatment交替进行机械和化学处理
alternate partial root-zone drip irrigation根系分区交替滴灌