请问 Backrest tilt tension control

请问 Backrest tilt tension control tilt tilt是什么意思 tilt away from和tilt against意思 tilt towards是什么意思 汽车上tilt是什么意思 RTS612A全站仪上Tilt proportional pan/tilt是什么意思 伞中的tilt是什么意思 请问What is ten and ten=＿ ＿ ＿is ten and ten? Tilt-and-Torsion angles是什么意思 Camera(s) and Pan/Tilt PAN/TILT监控模式转换 请问英文十分钟是:ten minutes 还是ten-minutes lean和tilt的区别在哪? tilt stiffness是什么意思?具体解释是什么? 请问怎么用比如：ten year old 我见过有些选择题是这样的 Ten--years--old Ten--years--olds Ten--year--olds Ten--year--old Ten years old Ten years olds Ten year olds Ten year old我见过有些英语是这样的,请问这个 Ten year o tilt the tables against ordinary other abusive practices used to tilt the tables against ordinary people