retiring adj. 退休的；不善社交的；过隐居生活的
v. 退休（retire的ing形式）
tubbing n. [英口]盆浴；制盆材料；[矿]井壁
v. 把…装入桶里；赛艇训练（tub的ing形式）
redoubling 再折叠
retubingn. 更换管件
英语例句库
This company is skilled in repairing and retubing variety of steel and shape boiler tubes on the worksite. Prompt delivery,quality and quantity assured,approved by Registers of Shipping. 该公司擅长各类船用锅炉的就地修理、更换各种钢质和管型的炉管。修期短，质量好，得到各国船级社的认可。