污染

Lesson Thirty-one Pollution prevention

防污染

Lesson Thirty Ship Security船舶保安 | Lesson Thirty-one Pollution prevention防污染 | Lesson Thirty-two Accidents on board船上事故

no step had trodden black

两条路都未经脚印污染

那天清晨落叶满地,Equally lay in leaves, | 两条路都未经脚印污染. no step had trodden black | 啊,留下一条路等改日再见! Oh, I kept the first for another day!

no step had trodden black

都未经脚印污染,落叶满地

虽然在那天清晨,它们 Equally lay in leaves, | 都未经脚印污染,落叶满地. no step had trodden black | 哦,留下一条路等改日再见! Oh, I kept the first for another day!

uncontaminated

没有污染的

uncontainerisable cargo 不可装入集装箱的货物 | uncontaminated 没有污染的 | uncontinuous change 间断变化有级变速

uncontaminated mud

非污染泥

unconfined compressive strength 无侧限抗压强度 | uncontaminated mud 非污染泥 | uncovering works 未经盖封的工程

uncontaminated mud

非[无]污染泥

unconfined compressive strength 无侧限[无围压]抗 | uncontaminated mud 非[无]污染泥 | unda 浪蚀环境,浪蚀带,浪波作用环境

uncontaminated mud

非污染

unconfined compressive strength 无侧限抗压强 | uncontaminated mud 非污染 | uncovering works 未经盖封的工程

uncontaminated zone

未污染带

unconformity spring 不整合泉 | uncontaminated zone 未污染带 | undamped oscillation 无衰减振荡

uncontaminated soil

未污染土壤

unconscious selection 无意识的选择 | uncontaminated soil 未污染土壤 | undefined structure 无定型结构

uncontaminated soil

未污染土壤; 洁净土 壤

turfy soil 草炭土 | uncontaminated soil 未污染土壤; 洁净土 壤 | unsaturated soil 不饱和土

Hilt's law：希尔特煤品级定律

"hillside quarry","山坡石矿" | "Hilt's law","希尔特煤品级定律" | "hindered settling","阻流沈降"

Shaanxi Sunland Automatic Control Co.,Ltd：陕西神洲自动控制有限公司

SHAANXI QINCHUAN MACHINERY DEVELOPMENT CO.,LTD 陕西秦川机械发展股份有限公司 | Shaanxi Sunland Automatic Control Co.,Ltd 陕西神洲自动控制有限公司 | Shan Dong Shuang Yi Group Co.,Ltd 山东双一集团有限公...