石管

Department of Commerce announced its intention to impose a 36.53-percent duty on oil country tubular goods from 37 Chinese companies and a preliminary anti-dumping rate of 99.14 percent on products of some other Chinese companies.

5号，美国商务部宣布打算对中国37家公司输美石油井管征收36.5%3的关税；对其他中国公司输美倾销商品初步征收99.14%的反倾销税。

A layer of coarse gravel is often placed around the drain tile.

常常在排水瓦管周围铺一层粗石砾。

Three centuries of concretions that cling to the barrel doubled the gun's weight, estimated at 320 pounds (145 kilograms) when raised from the ocean bottom.

经历了三个世纪，附着在炮管上的石化物使炮重了两倍。当从海底打捞上来时，这门炮的重量大概是320磅（145千克）。

With the meticulous ground geology investigation,it carry through a primary analytical research the new structural fracture zone growth and its levee foundation piping formation of Eogene red bed in Shijiao Section.

通过细致的地面地质调查，对北江石角段红层新构造断裂带的发育及其堤基管涌形成机制进行了初步的分析研究。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。