有管的

The backflow preventer must be supported and is not designed to carry full weight of the stand pipe.

防回流阀必须有支撑，不适用于承受立管的重量。

Barrel-shaped jade is fashioned in 14k gold, with posts that have Chinese characters that mean "good luck."

管状玉用14k金镶制，带有中国字符有"好运"的意思。

Martin Gatt is a gifted Bassoonist.

马丁·盖特是个有才华的巴松管演奏者。

Key support for large-scale iron and steel enterprise development, a conditional one million kilowatts thermal power and nuclear power with the special plate and high-pressure boiler tubes, 25 million KVA and above transformers with high magnetic induction low iron loss oriented silicon steel, high-grade tool and die steel and other key species.

重点支持有条件的大型钢铁企业发展百万千瓦火电及核电用特厚板和高压锅炉管、25万千伏安以上变压器用高磁感低铁损取向硅钢、高档工模具钢等关键品种。

"A fungus of the genus Boletus, having an umbrella-shaped cap with spore-bearing tubules on the underside and including both edible and poisonous species."

牛肝菌属真菌，有底面长有孢生小管的伞状冠，分为食用和有毒两大类。

A fungus of the genus Boletus, having an umbrella-shaped cap with spore-bearing tubules on the underside and including both edible and poisonous species.

牛肝菌属真菌牛肝菌属真菌，有底面长有孢生小管的伞状冠，分为食用和有毒两大类

The metal supporting elastic card plates optical absorption film which conductes the heat to the bottom of the heat conduction working fluid ring cavity.

金属支撑弹卡镀有光吸收膜，将热量传导于导热工质环腔管的底部。

Carbon nanotubes have been thought as one of the most promising cold cathode materials of electron field emitters in field emission display.

在场发射显示器技术领域，碳纳米管被认为是目前最有前途的场发射冷阴极材料之一。

In Figure 3, A and B are two cones inside a cylindrical tube with length of 20

在图三，圆管的长为 20 及直径为 6 ，内有个圆锥体 A 和 B。

I can define things as I please and it's none of your business!

我有我的自由，我要怎样定义，你管不著！

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。