有奖纠错
| 划词

The role of polyoxyethylene triol,rosin polyester polyol and asphalt in the asphalt-polyurethane rigid foam was stressed.

重点介绍烯三、松香芳烃酯多元在配方中的作用。

评价该例句:好评差评指正

From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.

用松香纯化得到的松香酸(酸)与马来酸酐反应得马来海松酸,再与二胺反应制得松香马来酰胺基面活情剂.

评价该例句:好评差评指正

The authors discuss the applications of rosin and its derivant,including nonsulfide flotation and flotation separation of nonferrous metallic ions and organic compound from aqueous solution.

讨论松香及其衍生物在非硫化物矿浮选分离、有色金属离子的浮选分离以及从水溶液中浮选分离有机物等方面的应用情况。

评价该例句:好评差评指正

用户正在搜索


goffered, goffering, gog and magog, go-gauge, go-get, go-getter, go-getting, goggle, goggle-box, goggled,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

TED演讲(音频版) 2020年2月合集

So we had boxes of stuff called rosin.

所以我们有盒盒叫做松香的东西。

评价该例句:好评差评指正
TED演讲(音频版) 2020年2月合集

We would step into the rosin, put a light coating on our shoes.

我们会走进松香,在我们的鞋子薄薄的涂

评价该例句:好评差评指正
美国小学英语6

Today the use of rosin and turpentine covers a much wider field than shipbuilding, but the name naval stores still remains.

今松香和松脂的使用不造船只,覆盖了很大的领域,但松脂制品这个名字依然存在。

评价该例句:好评差评指正
美国小学英语6

Whatever method is used, the sap is collected from the boxes or cups and taken to stills, where it is made into turpentine and rosin.

无论采用何种方法,树液都从盒子或杯子中收集,然后放入蒸馏器,在蒸馏器中制成松节油和松香。

评价该例句:好评差评指正
美国小学英语6

The tapping season lasts for about seven months. In America, collecting rosin from pine trees to make tar and pitch began as far back as 1600.

敲击季节大约持续7个月,在美国,从松树中收集松香制成焦油和沥青最早始于1600年。

评价该例句:好评差评指正
美国小学英语6

Two products of the forest, rosin and turpentine, were of service to man long before the making of paper from wood pulp and even before the lumber industry was started.

森林的两种产品,松香和松脂很早就被人类利用,早于用木浆造纸,甚至遭遇木材产业的开始。

评价该例句:好评差评指正

用户正在搜索


golem, golf, golf ball, golf cart, golf club, golf course, golf links, golfabilia, golfada, golf-course,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接