管

This exposes the tube to the ground but when the tube is pumped up the tire seals the tube.

这暴露了管地面但是，当管所抽取轮胎密封管。

I was unable to get the valve stem through the rim after the tire was partly on, so I had to remove the tire, put the tube in place and carefully mount the tire over the tube and rim without damaging the tube.

我无法得到阀杆通过环后轮胎部分，所以我不得不删除轮胎，把管到位，精心安装轮胎的管和RIM不损坏管。

Bobbin,through-tube,ring cop;ring bobbin,spool

纱管，筒管，丝轴，线轴，绕线管

A bolt screws through this and into the mini seatpost attached to the saddle.

一个直接的螺丝穿过整合坐管外管，固定住连著坐垫的小坐管。

The first to launch a national initiative "of the joint trial of leakage," in detecting AS bolt seal, through the joint, three fittings and water meters, Shell and other parts of the pressure of airtight performance and has played a leading role.

率先推出了国内首创的&管接头试漏机&，在检测AS止水栓、直通管接头、三通管接头及水表外壳等零件的耐压性能和气密性能方面起到了领头羊的作用。

The products have General efficient tubes, three-high tubes, three-cavity tubes and other series, specifications like ф47,ф58,ф70 and so on, and from 1.2m to 2.1m in length about 100 species. Its nnual output can reach 7 million vacuum tubes.

产品有普通高效管、三高管、三腔管等多系列，ф47、ф58、ф70多种规格，长度从1.2米-2.1米近百个品种，年产达700万支真空管。

Leather cap type pig has higher abrasion during pigging gas steel pipeline. Furthermore, various elbow bend and tee joint need different suitable length pig or else easy to cause pipeline clog.

在燃气钢质管道清管过程中，皮碗式清管器受到的磨损较大，而且管道中各类弯头和三通件要求清管器的长度合适，否则容易造成卡堵。

Preparing work before tail shaft installation, the flushing oil and the integrity of stern tube should be delivered to ship-owner and surveyor.

安装前的清洁：用压缩空气和棉布将艉轴管及艉轴彻底清洗干净。3。艉轴安装前的准备工作：艉管串油与艉管密性已经交检结束。

Analyses factors which affect apparatus dew point by theory and experience. Points out that to a given surface air cooler, the relation between apparatus dew point temperature and entering air dry bulb temperature or entering cooling water temperature is linear under dry cooling conditions, and the relation between apparatus dew point enthalpy and entering air enthalpy or ...

指出结构特性一定的表冷器，干工况下冷盘管表面平均热状态温度和进风干球温度、冷水初温成线性关系；湿工况下在空调常用范围内，冷盘管表面平均热状态焓值和进风焓值、冷水初温成线性关系，且两种工况下冷盘管表面平均热状态温度都随迎面风速增大而增大，随水流速增大而减小。

Were randomly divided into two groups:68 cases with conventional insertion of gastric tube,78 cases with setting the leaving alone stomach tube vertically.

目的：提高机械通气患者留置胃管的一次性插管的成功率，减少插管过程的不良反应。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。