他们验明6种植物有可能提炼出药物麻醉剂。They identified six plants as having potential for development into pharmaceutical drugs.把没种庄稼和植物的土地都深翻一遍。Dig over any ground that is clear of crops and plants.这种植物被用作治疗神经痛时的镇静药。The plant acts as a se...
PVC laminating metal sheet and its composite sandwich panels have biggish market in ship at present.PVC复塑板及其复合夹芯板目前在船用上占有较大的市场.Low viscosity multipurpose resin used for casting or laminating room temperature.低粘度多用途树脂,用于室...
一般说来, “ 静电 ” 和 “ 电流的电 ” 是无差别的.In general, there is no distinction between'static electricity " and " current electricity ".然而各种肠道病毒对氯的抵抗力是有很大差别的.There is, however, a wide variation in the resistance of enteric virus...