hand brake on meaning in English

手制动器已接合

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。
Braking test - laden : the laden truck is requested not to move when it was with tightened hand brake on the plateform , which is in a slope of 35 degrees upward rising with any single side for 30 seconds
负荷刹车检定：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。
Stability test - laden : the laden truck is requested not to move when it was with tightened hand brake on the plateform , which is in a slope of 30 degrees upward rising with any single side for 30 seconds
负荷倾斜度检定：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。