壳

Pump casing lined with hardened steel, stainless steel, plastic or ceramic to protect the pump shell.

泵壳内衬硬化钢，不锈钢、塑料或者陶瓷以保护泵壳。

Role is to prevent the pump shell leakage of liquid along the axis or outside air leakage into the pump shell.

作用是防止泵壳内液体沿轴漏出或外界空气漏入泵壳内。

Filter to backwash level –During this step, the compressed air at 30 psi (200 kPa) is introduced into the shell side to drive the filtration and lower the shell side feed water level.

过滤反冲洗水平–在这个步骤中， 30 psi (200 千帕)的压缩空气被引入壳侧来驱动过滤并降低壳侧的给水水位。

The backwash sequence includes the following steps: Filter to backwash level –During this step, the compressed air at 30 psi (200 kPa) is introduced into the shell side to drive the filtration and lower the shell side feed water level.

反冲洗路线包括下述步骤：过滤反冲洗水平–在这个步骤中， 30 psi (200 千帕)的压缩空气被引入壳侧来驱动过滤并降低壳侧的给水水位。

Fill shell – Feed enters the shell side via lower feed manifold and exit the unit via top backwash discharge valves.

填充壳–给水通过低位给水歧管进入壳的一面，并通过上位反冲洗排出阀流出单元。

Fill shell – Feed enters the shell side via lower feed manifold and exit the unit via top backwash discharge valves.

填补壳壳方经由饲料进入和退出低饲料组经多重顶冲洗阀门卸货。

Royal Dutch Shell, with its Australian partner Arrow Energy, has also taken an interest, but Shell has played down the prospect of a rapid development there.

荷兰皇家壳牌和其澳大利亚合作伙伴Arrow Energy也表示了兴趣，但壳牌已淡化了迅速在该地区进行开发的可能性。

Mom said: screw head of the prawn shrimp shell we first break the sharp corners, and then screw shell, put its head inside the dirt washed opened on the list, so do not be afraid to stab your shrimp with sharp corners.

妈妈说：拧虾壳要先把虾头的尖角折断，然后再拧壳，把它的头里面的脏东西洗开就行了，这样就不用怕虾用尖角来刺你。

Based on the experience with more than 10 years running shell mould casting line and with the application of various resin coated sand s,some technical problems of resin coated sand s for shell mould castings were discussed.

根据壳型生产线十几年运行和各类覆膜砂应用的经验，对壳型铸造用覆膜砂的一些技术问题进行探讨。

R.philippinarum dives process including latent sand preparation stage, conduit and abdomen, vertical shell and four stages, including sand for vertical dive sand shell start mark.

1菲律宾蛤仔的潜沙过程包括潜沙准备阶段、伸出水管和腹足，竖壳和潜沙四个阶段，其中竖壳为潜沙开始的标志。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！