【单选题】What type of oil is not covered in the oil pollution law?
B.
machinery oil being transferred for shipboard use
D.
normal bilge oil and water
【单选题】What type of oil is not covered in the oil pollution laws?
B.
Machinery oil being transferred for shipboard use.
D.
Normal bilge oil and water.
【判断题】机械万用表测电阻原理是在表头上并联和串联适当的电阻,同时串接一节电池,使电流通过被测电阻,根据电流的大小,就可测量出电阻值。改变分流电阻的阻值,就能改变电阻的量程。
【单选题】项目风险管理包括风险识别,风险量化,制订对策和下列哪项()。
【单选题】] Oil slick caused by spillage of oil from tanker ship is ______.
B.
the emulsion of oil at sea surface
D.
the oil floating on the surface of the sea water
【判断题】理化测试仪器及成分分析仪器,如酸度计、电导仪、量热计、色谱仪等都属于绝对测量的仪器。