Usefulness includes the fact the negatives have been calibrated.所谓有用,是指在底片上要有标度.The flexible diaphragm is connected to a plat cantilever - calibrated spring.柔韧的膜片一扁平的悬臂校正弹簧相连....a calibrated hypodermic syringe.标定精确刻度的皮下注...
Power pesticide dusters can be calibrated and used to apply pertilizer.动力杀虫剂可以调整用来施肥.The flexible diaphragm is connected to a plat cantilever - calibrated spring.柔韧的膜片一扁平的悬臂校正弹簧相连.Usefulness includes the fact the negativ...