大家都搜:
氮气风洞
1、make tunnel───制造隧道
2、dark tunnel───黑暗隧道
3、nitrogen species───形态氮
4、tunnel───n.隧道;坑道;洞穴通道;vt.挖;在…打开通道;在…挖掘隧道;vi.挖掘隧道;打开通道
5、nitrogen fertilizer───[肥料]氮肥;氮肥肥料;氮肥(料)
6、tunnel to───隧道
7、ammoniacal nitrogen───氨态氮;[化] 氨型氮
8、nitrogen balance───[生理]氮平衡
9、nitrogen───n.[化学]氮
1、Horizontal holes were drilled into the wet soil and liquid nitrogen was pumped in, freezing the water until the tunnel could be dug and cemented.───在湿的土壤中水平的打一些洞,然后泵入液氮对水进行冷冻,直到隧道可以被挖掘和用水泥封住。
2、Objective: to screen nitrobacter that could be used to treat ammonia nitrogen pollution, dejecta and sewage in military tunnel.───目的:筛选、分离能够用于治理氨氮污染和军事坑道生活污物、污水的硝化菌。