提示：点击例句中的单词，就可以看到词义解释

Raise the vehicle only at the jacking points provided .

只能在提供的顶升点处升高车辆。

Position car jack only at the jacking points provided .

只能在提供的顶升点处放置汽车千斤顶。

Lift the vehicle only at the approved jacking points .

只能在批准的顶升点举升车辆。

Unless otherwise specified by the owner , the design forces for jacking in service shall not be less than 1.3 times the permanent load reaction at t he bearing , adjacent t o the point of jacking .

除非业主另有规定，使用极限状态下的设计顶推力不得低于顶推点附近轴承处永久荷载反应力的1.3倍。

Use jacking the boy up .

责骂那个男孩是没有用的。