It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing.

其特点在于第一止回阀采用一个橡胶阀瓣密合在相配的橡胶部件上，确保紧密的关闭。

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Rubber hoses connect the uprights to their mates in the mobile part of the building.

在这幢建筑的可移动部分，橡胶软管在竖直方向上连着。

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In part, this is because of the robust mechanics of turboprops and in part because Air Tractor's fuel tanks have rubber membranes which close around bullet holes to slow leaks.

在某种程度上，这是由于涡轮螺旋桨具有强健的力学特性，而部分原因是由于“空中拖拉机”的油箱有橡胶膜紧密围绕弹孔使得泄漏减缓。

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On Friday, government officials grabbed mops and rubber gloves to help scrub down markets in the city, as part of a three-day campaign to promote good hygiene.

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Part of the reason, according to Miss Smith, is that on many surfaces rubber-soled shoes would be no use.

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The incident, which occurred in the closing stages of the second part of qualifying, came on his first flying lap on his final set of tyres - when the rubber is at its fastest.

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