巧妙上下坡，要低挡平稳通过，中途不要换挡，上坡防熄火，下坡绝对禁止空挡滑行。

Five, skillful top and bottom ascent, low block steady pass, midway don't change to block, the ascending grade defends to turn off, go down slope absolute prohibitory for nothing block a skidding.

youdao

巧妙上下坡，要低挡平稳通过，中途不要换挡，上坡防熄火，下坡绝对禁止空挡滑行。

Five, skillful top and bottom ascent, low block steady pass, midway don't change to block, the ascending grade defends to turn off, go down slope absolute prohibitory for nothing block a skidding.

youdao