They belong to equipment category 1d and are therefore approved for use in zone 20, the most demanding.
他们属于设备类维和，因此，用于20个区，最苛刻的批准。
Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in explosive or flammable dust atmosphere.
粉尘防爆照明应急两用灯，21区，22区危险场所。 含有爆炸性或可燃性粉尘环境。
With the water level now gradually receding, Chen and his 20 comrades are lodged in villages near the flood zone.
如今，洪水正慢慢褪去，陈夏勇和20位战友还住在洪灾区附近的老乡家里。
In the last three months inside the zone they had lived in bunkers that were home to between 15 and 20 people at a time.
最后的3个月里，在他们的居住地区只有废弃的燃料库可供他们安家，一次可住进15 -20人。
Tens of thousands of residents have been evacuated from a 20 kilometer (12 mile) zone around the plant, and thousands of others within a 20-30 km radius were urged to stay indoors.
住在电站周边20公里（12英里）之内的居民已经被疏散，另有数千名住在电站方圆20-30公里之内的居民被要求留在家中。
The authorities advised residents living within 20-30 km radius of the plant to stay indoors and set the area 20 km around the plant as an exclusion zone where residents have been evacuated.
当局建议电厂周围20至30公里半径范围内居民留在室内，并撤离了半径20公里以内的军民，将其设置为隔离区。
On Sunday, thousands more residents beyond the previously established 20-kilometer evacuation zone left their homes.
星期天，居住在最初设定的核电厂方圆20公里范围撤离区外的数千名居民离开了家园。
Homes within 20 kilometers of the plant have been evacuated. People who have remained in a zone between 20 and 30 kilometers have been advised to stay indoors to minimize their exposure to radiation.
当局建议，仍然留在20到30公里范围内的居民尽量留在室内，最大程度地减少暴露于幅射的时间。
Specify the time zone for your server, as shown in Figure 20.
指定服务器的时区，如图20所示。
"We are particularly appalled at the 20% rise in single bus fares, and the rise of a single Oyster trip in zone 1, " she said.
“单程公共汽车票价20%的上涨和第一区单程生蚝卡价格的上涨特别令我们震惊，”她说。
Start out with at least three sessions a week, with 15 minutes of warm-up, 20 minutes at your aerobic training zone, and 15 minutes of cool-down.
开始你的有氧锻炼吧。每周至少做三次，花15分钟热身，20分钟做有氧运动，然后再用15分钟的时间让身体放松平静下来。
There are 3 lateral sealing patterns of faults in Chegu 20 buried hill in Shengli oilfield, including lithology juxtaposition, shale smearing and high displacement pressure in faulted zone.
胜利油区车古20潜山断层侧向封闭有3种模式：即岩性对接封闭、泥岩涂抹封闭和断裂带高排替压力封闭模式。
I sat in the end zone but felt as if I were on a throne, as Navy won 20-7.
最后海军队以20比7获胜。我虽然坐在达阵区后，却感觉像是坐在国王的宝座上。
Thus the main polygonal wall appeared: this 20-meter long curved surface goes through all the open-space zone: entrance hall, tea room, garden, kitchen & dining zone.
因此我们设计了这面曲折的主墙：这面20米长的弯曲墙面联通所有开放式空间：玄关、茶室、花厅、厨房与餐厅。
Volcano experts said the Friday blast was the biggest since the 1870s. With the unpredictability of the volcano, authorities widened the danger zone around the mountain to 20 kilometers.
火山专家说，星期五的火山喷发是自1870年代以来最大的一次。鉴于这一火山的不可预测性，印尼官员将“危险区域”扩大到方圆20公里。
A 20 kilometer evacuation zone has been established around that reactor and a 10 kilometer zone around another one.
一个围绕该反应堆20公里疏散区已经建立，并在另一个反应堆周围建立了10公里的疏散区域。
To quench 20 steel in critical zone under different intensity alternation magnetic field and to observe the microstructure after phase transformation.
对20钢进行不同强度交流磁场下的临界区淬火处理，观察相变后的组织。
Not only is the feed rate established in the feed throat, but over-cooling the feed throat can extract as much as 20% of the total drive power by pulling heat constantly from zone 1.
不仅是在喂料口建立了喂料速率，使喂料口处于过冷状态还多消耗了总驱动能耗的20%，这是通过在一区恒定吸热实现的。
These two species occur in the intermediate zone between rocks and sandy floors, at depths ranging from 3-20 m (9-60 feet).
这两个品种生活在暗礁和沙砾层的中间地带，大约水深在3—20米(9—60英尺)。
It has been estimated that 20%-35% of the precipitation originates in the "seeder" zone and the remainder in the lower clouds.
据估计，大约20——35%的降水来源于“催化剂”区，其余的来源于低层云系。
In such a region, called a zone of quiescence, the scientists believe, a major quake will take place in 20 to 30 years.
这种地区叫做平静区。科学家们认为，在这样的地区，二三十年内会发生一次大地震。
Reduction of UTS of about 20-30% with respect to base material occurred with rupture in the softened zone of welding, usually HAZ.
与母材相比，焊接后的试样抗拉强度减小了大约20 ~ 30%，试样在软化区发生断裂，该区域通常是热影响区。
The hardness of surface remelting zone increases by 20% compared with the substrate.
表面熔凝区的硬度较基体提高了20%。
The fund would be levered up by offering a kind of state-sanctioned risk insurance on euro zone bonds, which would cover the first 20% of losses if it defaults.
基金将通过为欧元区债券提供类似于国家认可的风险保单，借助民间资金；如果出现违约，基金将承担损失的20%。
Typically a feathering setting of between 5 and 20 pixels is used, depending on the size and positioning of the zone.
通常情况下，5 ~ 10象素的羽化应当根据照片中调整区域的大小和位置来使用。
The baton handoff must take pl_ web in a 20-meter take-over zone, with the starting line in the middle zone.
接力棒必需在20米的接棒区内进行，起跑线在接棒区的中间。
The baton handoff must take pl_ web in a 20-meter take-over zone, with the starting line in the middle zone.
接力棒必需在20米的接棒区内进行，起跑线在接棒区的中间。
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