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1·The water and soil separation net plate is matched above the hollow pipe;

一水土分隔网板，系配置于上述空心管之上方；

2·The spray pipe is a ring hollow pipe body, and the through spray orifices are alternatively distributed around the spray pipe.

所说的喷管为环形中空管体，贯通的喷孔沿喷管的圆周间隔分布。

3·The sanitary clearer has the advantage that only the original solid draw rod needs to be substituted by the hollow pipe, and the purpose of water saving can be achieved.

只需将原有的实心拉杆用空心管替代就可达到节水目的。

4·The valve at the bottom of auger can prevent drilling bits entering hollow pipe during operation. When drilling pipe is taken out and concrete grout is injected, the valve will be opened.

螺旋钻头底部阀门防止钻进过程中钻屑进入到空心的混凝土管中，当钻杆提出同时混凝土浆注入时，钻杆底部的阀门将被打开。

5·A iron bar is solid; a pipe is hollow.

铁条是实心的，管子是空心的。《新英汉大辞典》

6·The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.

立管内部核心是空心的(管中管)，留给钻柱使用。

7·A iron bar is solid, a pipe is hollow.

铁条是实心的，管子是空心的。

8·A bar of iron is solid; a pipe is hollow.

铁棍是实心的，而管子是空心的。

9·Stainlesss steel coil stainless steel pipe is a hollow, the production process for different types of technical difficulty is more difficult, so when the processing is should be particularly careful.

不锈钢盘管是一种空心的不锈钢管材，其生产工艺针对不同型号的技术难度越加的困难，所以在加工是的时候应特别的细心。

10·Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.

它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。