查询词典 pitch-dark

"After destructive distillation, coal leaves a solid residue, coke, while, coal-tar and pitch are collected as a distillate, and coal-gas is collected in gasometer"

煤干馏后剩下的固体残渣焦炭，而煤焦油和沥青则作为馏出物收集起来，煤气则收集于储气器中

PCBs at the beginning of the land fill were mainly composed of the 3-Cl and 5-Cl compounds. In the late of the land fill, 2-Cl compounds increased significantly. The main factor affecting the PAHs, PCBs contents were microbial degradation and transformation. Analysis of the pollutants source s indicated that PAHs in sludge were mainly derived from the waste water of refinery, coking plant, gasworks, smelt plant and pitch plant.

填埋初期污泥中PCBs主要以3-Cl和5-Cl化合物为主，填埋后期，2-Cl化合物大大增加，占总的PCBs含量的大部分影响PAHs、PCBs含量变化的主要因素是生物对PAHS的降解转化根据污泥中各污染物的含量对污染物进行源解析表明，污泥中PAHs主要来源于炼油厂、炼焦厂、煤气厂、冶炼厂和沥青厂等排放的废水。

Figures 5 and 6 are the surface separation topologies of worm gear cut by hob cutter with pitch diameters of 74 and 73.6 mm, respectively.

图5和图6是表面分离拓扑减少蜗轮滚刀刀与音高直径74和七十三点六毫米分别。

This thesis mainly introduces the theory of Attitude Measurement based on signals of geomagnetic field and gravity field, and deduces the mathematical model of heading, pitch and roll.

本文详细介绍了基于地球磁场和重力场信号进行姿态测量的原理，推导了方向角、俯仰角和横滚角求解的数学模型。

His base was compounded out of gesso, pitch, and mastic, and has not proved durable.

颜料不久后就开始松脱剥落，西元1517年，人们注意到腐蚀的过程已经开始了。

It have got a good tension strength,stable gnarl pitch,lower noise,small liberation,long life,excellent performance.

该系列履带采用了国际先进的生产技术，抗拉强度大，节距稳定性能好，噪音低，震动小，寿命长，性能优越。

A sense of fin de règne was confirmed last weekend on the football pitch.

上周末在世界杯赛场上的失败更增添了人们心中"末代王朝"的感觉。

A sense of fin de r猫gne was confirmed last weekend on the football pitch.

一个鳍猫感上个周末在足球程度上被确认。

A young man on a sandy pitch karate-kicks the ball just inside the left goal post.

在一片沙土地球场上，只见一个年轻人以一个帅气的空手道动作将球踢到左边球门柱上，进球！

6 Make yourself an ark of gopherwood, put various compartments in it, and cover it inside and out with pitch.

你要用柏木造一只方舟，舟内建造一些舱房，内外都涂上沥青。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！