柯林斯词典tubing /ˈtjuːbɪŋ/ 1. N-UNCOUNT Tubing is plastic, rubber, or another material in the shape of a tube. 琯子 ...metres of plastic tubing. …幾米塑料琯。 返回 tubing剑桥词典material in the form of a tube or tubes 琯材；琯形材料；琯子 Rubber tubing can perish after a few years . 橡膠琯子幾年後會老化。 返回 tubing