通风的

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. The technique is introduced from foreign Company.

手动翻板式三杆蝶阀引进国外先进技术，广泛适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. The technique is introduced from foreign Company.

电动翻板式三杆蝶阀引进国外先进技术，广泛适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

Experienced in the Plant Facility,+3 years working experience (in air condition system、boiler、pressure vessel、pressure conduit and so on system),know some about electric knowledge.

具备丰富的机械动力专业知识和实践经验； 3年以上动力设备（通风空调系统，空压站，动力管道，制冷设备，水泵，废水处理，软水/纯水处理等）设计/施工/维护/改造工作经验，具备一定的电气知识。

On the crucible salt bath's furnace shell is loaded with the circular upper hood, the crown has the air vent to put through the wind system series, removes the noxious gas, lower part the upper hood has the cover gate which and the port hole two leaves may rotate.

坩锅盐浴炉的炉壳上部装有圆形上罩，顶部有排气口可接通风系统，以排除有害气体，上罩下部有两扇可转动的罩门和观察孔。

Police say the victims were in a basket used for transportation up and down the 600-foot airshaft.

警方称遇难者被发现在一个篮框中，篮子是在600英尺的通风井中上下传输用的。

Police say the victims were in a basket used for transportation up and down the 600-foot airshaft.

警方声明死亡发生在用于上下600英尺的通风井的篮子中。

At a Southern Indiana coal mine, an accident at an airshaft killed three people.

印第安纳州南部的一个煤矿的通风井发生了一起事故，致使3人死亡。

Police say the victims were in a basket used for transportation up and down the 600-foot airshaft .

警方称，受害者当时身处一个篮子中，这个篮子是用作上下于600英尺的通风井的交通工具。

Police say the victims were in a basket used for transportation up and down the 600-foot airshaft.

警方表示遇难者死于一个用于上下运送人员的吊篮中，该吊篮设于600英尺高的通风井内。

In subterranean civil engineering, ventilation shafts , also known as airshafts , are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air.

通风竖井是一个在地底下的公用工程，也称 airshafts ，这个垂直的通风口通常被用於隧道使用时或挖矿时可以排除废弃以换取新鲜空气。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。