1. The bags have adjustable shoulder straps. 这些包有可调肩带。
2. The height of the bicycle seat is adjustable. 这辆自行车车座的高度可以调节。
3. Adjustable wrench for turning off gas and water. 可调扳手,用于关闭煤气和自来水。
4. Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting. 三种可调式滚轮架:手动丝杆可调式、手动螺栓移位式和电动滑板移位式。
5. A major invention was the adjustable strut that could precisely set the depth of the plow by altering the distance of the blade and the beam. 一个重大的发明是可调节的支柱,通过改变刀板与横梁的距离来精确地设置犁的深度。