气体先在洗涤器内湿润.The gas is first humidified in a scrubber.将洗涤器的一面涂上安息香并将它贴到皮肤上.Paint one side of washer with benzoin and apply this side to skin.采用净化剂并不能排除设置排气风扇和空气洗涤器.Detergent use will not eliminate a possible need for exha...
联轴器是把相邻的两个轴端连接起来的装置.A coupling is a device for connecting the ends of adjacent shafts.主要有齿轮 、 轴 、 泵体 、 安全阀 、 轴端密封所组成.This series are mainly gear , gear pump , valve, pump body, axial end seal.敞开操纵不正护罩, 发不隐轴端动拉螺母已松不静.Open...
洞口大半都淹没在湖里。Most of the mouth of the cave was submerged in the lake.湍急的水流奔涌过洞口。The water rushed through the holes with great rapidity.两艘船隆隆地从洞口开出，进入了开阔的水域。Both boats purred out of the cave mouth and into open water....