Police officers from Chengdu East Station patrolling at marshalling yard to safeguard the relief material train.

The usher marshalled people into the public and press galleries.

迎宾员引领人们进入公众和媒体画廊.

I have finally marshalled together enough images for my paper.

最终,我把论文的所有图片集合在一起.

And they all said yes, feeling somehow like prisoners marshalled for exercise.

他们全都表示赞成, 但不知怎的都有一种如同囚犯集合起来去放风的感觉.

It is a sweeping claim , yet the evidence , here painstakingly marshalled, is hard to dispute.

这一认识是彻底的, 而且辛苦搜集来的证据更是难以质疑.

He marshalled his strength.

他鼓起力量.

The children were marshalled into straight lines.

让孩子们排成直行.

He reefed all sail, the pole-masts were dispensed with; all hands went forward to the bows.

他叫人把船上所有的帆篷都绑紧,把帆架卸下来放到甲板上, 连顶帆桅杆也都放下来了.

I set about reefing the sail, reducing its area to lessen the strain.

我准备收帆, 减少帆面积以降低张力.

The islands consist of oyster reefs covered with a thin veneer of black mud.

由牡蛎礁构成的小岛上覆盖着一层薄薄的黑色软泥.

We found a pilot luckily who guided us through the dangerous reefs.

我们很幸运地找到一位领航员,他带我们通过了危险的暗礁区.

The pilot guided us through the dangerous reefs.

这位引航员引导我们通过了危险的暗礁区.

We had shaken out our reefs.

我们把帆全部张开.

Under the seabed there are many submerged reefs.

海底下有许多暗礁.

Experimental results show that POB reduces the friction coefficient and increases the wear resistance of PTFE.

结果表明,添加POB降低 了PTFE的摩擦系数,提高了PTFE的耐磨性.

However, PTFE has some properties that can make it a poor choice for a washer material.

但是, PTFE有一些使它成为垫圈材料的较差选择的性质.

The inherence vices of PTFE limit it's application as anti-corrosion coating in the engineering field.

聚四氟乙烯(PTFE)的一些固有缺陷,限制了其作为 防腐蚀 涂层在化工领域中的应用.

It is installed as one solid piece of PTFE and the internal geometrical shape is machined.

阀门内部安装了一体化紧密的PTFE,而且它内部的几何形状是经过加工过的.

The performance of Polytetrafluoroethylene ( PTFE ) is good and is applied intensively on sealing material at present.

聚四氟乙烯 ( PTFE ) 性能优良,是目前广泛应用的密封材料.

All valves are available with optional PTFE seat rings.

所有闸阀都可以配置备选的聚四氟乙烯(PTFE)阀座环.

The technology of preparing cohesive poly ( tetrafluoroethylene ) ( PTFE ) board and regarding adhesion property were discussed.

研究了可粘性聚四氟乙烯(PTFE ) 板材的制备工艺及其粘合性能.