顶车作业要可靠在需要用举升器或千斤顶顶起机车进行修理的场合(例如气泵出了毛病,更换损坏的轮胎等),一定要用安全凳(或木块、石块)垫顶住车架,防止举升器或千斤顶歪斜,机车下塌伤人。在简易公路上修理作业时,还应注意举升器或千斤顶的基础要坚实可靠,不可顶在松土上。坡道修车防滑溜在有斜坡的地方机车突然损坏,必须停车修理时,一定要用三角木或石块等楔住车轮,以防修理 Reliable roofing operations When it is necessary to repair a locomotive with a lifter or jack (eg, defective pump, replacement of damaged tires, etc.), always use a safety stool (or block of wood) Frame to prevent jacks or jacks askew, locomotive collapsed wounding. When repairing homework on a simple road, you should also be aware that the foundation of the lifter or jack should be solid and reliable, and should not be placed on loose soil. Ramp repair slips slippery in a ramp where the locomotive suddenly damaged, you must stop for repair, be sure to wedge the wheels with triangular wood or stone to prevent repair