“压头”怎么读？

“压头”的英语可以翻译为：[化] discharge head，[水] pressure head，indenter，squeeze head ...

Dall流量管是具有特别高的压头补偿的实验装置.The Dall flow tube is an empirical design with an extremely high pressure head recovery.当下游压头大于上游压头约3/5时, 流量是潜流.When the downstream head is greater than about 3 / 5 of the upstream head, flow is s...

二碘喹...

abbr.farad 法（拉），free dispatch 免费递送，find 找到，forward 运送...

polemical的音标：polemical的英式发音音标为：[pə'lemɪkl]polemical的美式发音音标为：[pə'lɛmɪkl]...

silk的音标：silk的英式发音音标为：[sɪlk]silk的美式发音音标为：[sɪlk]...

Utilization efficiency of nitrogen fertilizer and Kalium were enhanced.促进番茄对氮和钾的吸收.To determine the content of sodium, kalium, magnesium and calcium in liquor of cardioplegia by HPLC - IPD method.本文用高效液相色谱间接光度检测法测定了心脏停搏液...

There were perfectly cogent reasons why Julian Cavendish should be told of the Major's impending return.要将少校即将返回的消息告知朱利安·卡文迪什是有绝对充足的理由的。She strode off down the restaurant with Cavendish following close at her heels....

He gave the donkey a mighty prod in the backside.他用力捅了一下驴屁股。You'd better give her memory a prod.你最好提醒她一下.He has a short fuse , and they poke and prod to see if he will explode.他易于激动, 因此他们故意拨弄他,看看他是否会发火....

topography的音标：topography的英式发音音标为：[tə'pɒgrəfi]topography的美式发音音标为：[tə'pɑgrəfi]...

三角钢琴被代之以一架粗鄙的小电子琴。The grand piano has been replaced with a small, inelegant electric model.在公共汽车上大声喧哗是一种粗鄙的行为.Talking loudly on a bus is a sign of vulgarity.他们的奇怪的粗鄙的生活,在他看来,仿佛象刺猖的生活一样反乎自然.And their queer, crude life see...

n.震荡，脑震荡，冲击，震动...

他们对于表演的理解和我们的大相径庭。Their concept of a performance and our concept were miles apart.带着期盼的神情等待烟火表演的孩子们children with expectant faces waiting for the fireworks to begin他有表演的人格, 他懂得人情.He was a master showman, and he knew human...

n.割草机( mower的名词复数 )，刈割者...

destroy的一般过去时为：destroyed...

apoprotein的音标：apoprotein的英式发音音标为：[ə'pəʊprəʊti:n]apoprotein的美式发音音标为：[ə'poʊproʊtin]...

n.一种法国产的粗烟丝，质量一般...