lead-free是什么意思

网络释义

用法例句

Preserved eggs with lead amount above national standard as long-term diet will do great harm to peopl.

分析结果表明,在该农贸市场销售的松花蛋中,重金属铅的含量普遍高于国家标准。

(of gasoline) not containing tetraethyl lead.

（关于汽油）不含四乙铅的。

(of gasoline) containing tetraethyl lead.

（关于汽油）含有四乙铅的。

ASSAY OF THE LEVELS OF LEAD,COFFER ANDZINC IN THE BLOODFROM PERSONS EXPOSED PROFESSIONALLYTOTETREATHYL LEAD

四乙基铅接触者血中铅铜锌含量的测定

tetraethyl-lead susceptibility of gasoline

汽油对四乙铅的感受性

Gasoline--Determination of tetraethyl lead content-- Complexometric titration method

GB/T2432-1981汽油中四乙基铅含量测定法(络合滴定法)

Determinations of tetra-ethyl lead content in gasoline(chromate method)

GB/T377-1964汽油四乙基铅含量测定法(铬酸盐法)

Tetraethyl lead worked in “leaded” gasoline but was phased out because it spoiled catalytic converters.

「有铅」汽油中的四乙基铅效果不错，但已经逐渐淘汰，因为它会破坏触媒转化器。

lead tolerance determination apparatus

四乙铅容许量测定器

Quick Determination of the Tetraethyl Lead in Water by Graphite Furnace Atomic Absorption Spectromettry Method

石墨炉原子吸收法快速测定水中的四乙基铅

Determination of the Tetraethyl Lead in water by Graphite Furnace Atomic Absorption Spectromettry Method

浅议石墨炉原子吸收法测定水中的四乙基铅

Lead"" pencils do not contain lead, but rather a mizture of clay and graphite.

铅”笔并不含铅，而是粘土和石墨的混合物。

Study on Extraction of Pb from Sludge in Different Wastewater Pools by EDTA

乙二胺四乙酸对多级废水处理池污泥中铅的萃取研究

An investigation of heavy-metal concentration in cominant plant species in a zinc-lead mining area in Ganluo County of Sichuan Province

四川甘洛铅锌矿区优势植物的重金属含量

determination of the sum of calcium and magnesium (EDTA titrimetric method)

钙和镁总含量的测定-乙二胺四乙酸滴定法

A: Fill it up with unleaded and check the oil, please.

请加满不含铅的汽油，并检查一下机油。

A STUDY ON POLLUTION CONDITION AND DISTRIBUTION LAW OF TETRAETHYL LEAD IN AMBIENT AIR OF BEIJING AND TIANJIN CITIES

京津市区大气四乙基铅污染状况与分布规律的研究

Method Discussion about Determination of Tetraethyl Lead in the Environmental Sample by Graphite Furnace Atomic Absorption Method

石墨炉原子吸收法测定环境水样中四乙基铅的方法探讨

Clinical Efficacy and Influence on Blood Pb of NaFeEDTA Oral Sotulion in Treatment of Iron Deficiency Anemia in Children

乙二胺四醋酸铁钠对缺铁性贫血患儿血铅水平的影响