v. 卸(卸 ... 的货)
Using high quality silicon steel plates, its low loss and noise unladen small. 采用优质的硅钢片，其空载损耗低及噪音小。
Stability Test - Unladen : The unladen truck should not slide down or turn over for 30 seconds when it was on the platform, which is rising in any single side in 30 degrees. 空车倾斜度检定：将车辆放置于检查台上，拉紧手刹车，将检验台单边升起30度角并静止30秒钟，车辆不得滑动或翻落。
Motor cycles with or without a sidecar, invalid carriages and threewhelled motor vehicles with an unladen weight no exceeding 400 kg (900 lbs. 摩托车不论有无边车
Braking Test - Unladen : The unladen truck is requested not to move when it was with tightened hand brake on the plateform, which is in 35 degrees upward rising with any single side for 30 seconds. 空车刹车检定：将车辆放置于检查台上，拉紧手刹车，将检验台单边升起35度角并静止30秒钟，车辆不得滑动。
glider fitted with or designed to be fitted with an engine, of an unladen weight not exceeding 2000kg 装有或设计装有引擎的滑翔机,自重不超过2000㎏
