排出管

The actual production needs from oil field,aimed at tractor hoist that need replace pipe string and outside slippery jet pump that isn′t satisfied with discharge fracturing quickly in reality,a new type of jet pump inside sleeve type of jet pump is designed.

针对外滑套式射流泵在油田应用中不能满足压裂后快速排液的现况，研制出了一种新型的内滑套式射流泵，并提出了射流泵、喉嘴距、喉管长度、扩散管角度及长度的计算公式。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。