At Shell, our preference is for cap-and-trade systems that place a cap on the overall level of emissions permitted.

在壳牌，我们倾向于上限和交易(cap - and - trade)系统来为总的排放水平确定一个上限。

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The pressurized vessel of a nuclear reactor consists of three parts: the top cap, the ribbed tube-plate and the shells (the external shell and the bottom shell).

反应堆压力容器包括顶盖、加肋管板，壳体(外壳和底部壳体)三部分。

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The end surface of the positioning screw cap of the equalizing axle is matched with an equalizing axle shell or the end surface of a swing arm.

平衡轴定位螺盖的端面与平衡轴壳或者摆臂的端面相配合。

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Thomas said that Shell was in favor of cap and trade, which has come under pressure from some politicians in the Republican Party.

FORBES: Climate Change Policies OK, So Long As It's Tax Free, Poll Says