But engineers are hoping that their pretesting—using compressed air to fire a ping-pong ball down the pipe, Gillies says—will prevent such a mishap.
但工程师们希望他们的预测试——使用压缩空气将乒乓球注入管道——也许可以避免此类事故， Giilies 认为。
A machine called a snow gun mixes cooled water and compressed air. A pipe carries water into the gun from a lake or pond.
叫做雪枪的机器混合水合压缩空气，一根管子从湖或池塘把水输送到雪枪。
By surrounding a gas-tight, pattented V-Seal with two compressed knitted wire mesh air gap spacers, the connection is made by simply sliding one section of pipe over another.
气密的V形密封器，两个压缩的编织金属网布气隙间隔器，略过管的一部分滑向另一部分。
By little investment a significant economic benefits was made through technical improvement on parallel connection of no. 1, no. 2, no. 3 compressed air pipe networks.
通过小投入，对1线、2线、3线空压机系统并联改造，实现1 - 3线系统供气，取得较大的经济效益。
The ballute is internally provided with a soft intake pipe which is connected with the compressed air chamber in the truck.
气伞内置软状进气管，与车内压缩空气室连接。
It is realized by referring to a system formed by an ash bucket, ash storage pump, ash transporting pipe, and the air make-up pipe for compressed air.
该方法借助于灰斗、灰仓泵、输灰管、压缩气补气管组成的系统实现。
The utility model relates to a pneumatic water pipe dredger, which is mainly composed of a base pipe, a compressed air bottle and a sheathing head. A short through pipe is arranged in the base pipe.
本实用新型涉及一种气压式水管通水器，主要由基座管、压缩空气瓶及套头所组成；
The control end of the two-position five-way valve (8) is connected with a compressed air inlet pipe through a switch (11).
两位五通阀(8)的控制端通过开关(11)与压缩气进气管连接。
The control end of the two-position five-way valve (8) is connected with a compressed air inlet pipe through a switch (11).
两位五通阀(8)的控制端通过开关(11)与压缩气进气管连接。
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