尸体安放在密闭的铅棺中。
存放盐在一个干燥密闭的容器里。
搞好配套技术是实现流程密闭的关键。
A complete set of technological equipment is the key to achieving process custody.
应在密闭的塑料瓶内保存。
双螺杆泵为一种双吸式非密闭的双螺杆泵。
Double screw pump is a kind of double suction not airtight double screw pump.
一种方法是试着设计一个完全密闭的火车，像飞机舱一样。
One way is to try to design a completely air-tight train, like an airplane cabin.
例如，你可以把自己看做一个密闭的泡泡，完全没有东西能伤害到你。
For example, you could visualize yourself in a bubble, where absolutely nothing can hurt you.
简要介绍了HZ型防尘密闭罩的研究设计和工程应用情况。
The design and application situation about HZ type dust proof airtight cover is introduced.
第二个数字表示防湿气、防水侵入的密闭程度。
Second number said moisture proof, waterproof airtight degree.
目的观察半密闭地下环境对健康的影响。
Objective To observe the effect of underground part-obturated environment on human health.
用来抽除密闭容器的气体的基本设备之一。
Airtight containers in addition to pumping gas one of the basic equipment.
密闭系统所要求的水质一般是软化水。
The water quality required in the closed circulation is generally of the soft water.
目的了解密闭空调环境的空气质量。
Objective To determine and evaluate the air quality in the enclosed air-condition environment.
目的了解密闭空调环境的空气质量。
Objective To determine and evaluate the air quality in the enclosed air-condition environment.
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