门把手有四种不同的尺寸，适用于不同大小的门。
The house has four sizes of doorknobs, customised for different size of doors.
利用人因工程学的理论和方法，对椭圆机的机构形式、踏板和把手轨迹、结构尺寸、飞轮机构、运动负载等进行了分析。
Elliptical cross trainers are studied in the viewpoint of ergonomics, including the kinematics schema, loci of pedal and handle, parts dimensions, flywheel and loads, etc.
操作者按需求调整压合尺寸，拉动把手进行压合。
The operator adjust the wire closer then pull the handle to close the wire.
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