Energy conservation and pollution reduction is a effective approach to solve the energy crisis and environmental pollution.

　　節(jié)能減排是有效解決或緩解目前能源危機和環(huán)境污染的有效途徑之一。

　　Pollution Reduction and Consumption Reduction in Small Rotary Cement Kiln.

　　小回轉水泥窯的節(jié)能降耗，減少污染。

　　There is also a modification in the gear reduction unit.

　　也有修改，在齒輪減少單位。

　　The advantage of digital transmission is error reduction.

　　數(shù)字傳播的優(yōu)勢是錯誤減少了。

　　Debt reduction has become a hot political issue.

　　減少債務已成熱點政治問題。