The lubricating oil of cylinder in a diesel engine usually contains additives with a high degree of alkalinity to _____ the acid conditions?
Ainvade
Bprovide
Cdetergent
Dneutralize正確答案
答案與詳解
為什麼答案是 D
neutralize 意為中和。高鹼度(alkalinity)新增劑正是用來中和(neutralize)燃料燃燒後產生的酸性(acid)物質。
載入中…
