exhaust gas 廢氣
opposite forces 負(fù)面影響
a fatal breakdown 致命故障
potential hazards 潛在危險(xiǎn)
means of transportation 交通方式
考試簡(jiǎn)介報(bào)名時(shí)間報(bào)名須知考試時(shí)間報(bào)名流程評(píng)分標(biāo)準(zhǔn)轉(zhuǎn)考退考教材大綱成績(jī)寄送全國考點(diǎn)收費(fèi)標(biāo)準(zhǔn)培訓(xùn)方案