查询词典 return sand

All aircraft with the 108th Tactical Fighter Squadron and the Sand Island detachment, return to base as soon as rearming and refueling operations are complete.

沙鳥的分遣队、第108战术战斗飞行队所属各机，在整备、加油作业结束后，迅速返回沙鳥基地。

Yesterday, the national 杂 hand overed the paddy rice engineering technique research the center the outside parties expert, piece, the good news for its 茂 return toing growing sand, he at and at that time, Chinese 杂 hand overing the 稻 at Guinea planting succeeding and realizing yield turn overing the 番 the report to hand overed the paddy rice's father to "杂" the 袁隆 is evened.

昨日，国家杂交水稻工程技术研究中心外派专家张其茂回到长沙，他在第一时间，把中国杂交稻在几内亚种植成功并实现产量翻番的好消息报告给了&杂交水稻之父&袁隆平。

The unique built-in non-return structure, when the pump stop, will avoid any water hammer and vacuum condition inside pipeline, protect the pumps and pipes, also to prevent the sand sink into pump and cause block.

采用独特的防返流结构，水泵停机时不会产生水锤现象以及避免了管道产生真空状况，保护了水泵和输送管道，同时可以防止沙子沉淀到泵中产生卡机。

Applied JT5-2 model saw tooth wave duplex jig to replace JT3-1 model single-chamber jig and spiral chutes which handle sand return from the double-spiral classifier,and achieved good index.

提出采用JT5-2型双室锯齿波跳汰机代替JT3-1型单室跳汰机，以及用来选别双螺旋分级机返砂的螺旋溜槽，取得了理想的指标。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。