单词	包端管
释义	包端管closed-end tube双向☞包端管--弹簧管
随便看	to take an airing to take a nap to take an easterly course to take an example to take an image, as a photographer to take an impression to take an insurance policy to take an oath to take an oath of office to take an observation to take a passage (by a ship) to take a passage in a vessel to take a peg lower to take a per centage to take a percentage to take a person's portrait, as a photograph to take a pet to take a photograph to take a photograph, same as photograph, v.t. to take a pinch to take a pinch between the fingers to take a place to take a pleasure in to take a plunge to take a proof of