这使得阀杆能够稍微膨胀，不会卡住或损坏阀门，也不会影响关闭效果。

This will enable the stem to expand slightly without binding or damaging the valve and will not affect shutoff.

youdao

此阀门的优点在于阀体通径无凹槽，介质不会卡阻堵塞，并且具有全通径流通特性，适合粉体颗粒介质的管道中使用。

The advantages of this valve are: body's diameter without grooves, the medium does not plug the card blocking, full-diameter flow characteristics, suitable for powder using in the pipeline.

youdao

你带现金或卡都没问题。 我们不会发给你卡直到你把三样都带齐。 不要忘记会卡，你近期护照尺寸照片和费用。

It doesn ' t matter whether you bring cash or a cheque . we can ' t issue your card unless you bring all three ;

youdao