查询词典 board cover

Store opening and closing documents on transportation should be at the closing device, and also should do the following: a valve flap should be fixed in the open position b path ends with a foam board to plug in port, the port to be plugged with a boring cover, to dust, rust, clean and maintain the channel end of the formation; c cylinder parts to the appropriate protective packaging, shock and anti-collision; d valve should be placed on a smooth, pneumatic drive upwards, not with each other by the crowd.

存放月运输时启闭件应处于关闭装置，同时应做好以下工作： a 阀瓣应固定于开启位置 b 通径两端内口用泡沫板堵塞，端口须用闷盖塞紧，予以防尘、防锈，保持通道清洁和端面的平整； c 汽缸部位进行适当的包装防护、防震和防碰； d 阀门放置时应平稳，气动驱动装置朝上，不得相互受挤。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。