国产三级伦理在线,久久久久黄久久免费漫画,成人国产精品日本在线,欧美美最猛性xxxxxx

1. 1區(qū)、2區(qū)危險(xiǎn)場(chǎng)所。
2. ⅡA、ⅡB類性氣體環(huán)境。
1. Can be used in Zone 1 and 2 dangerous places.
2. Can be used in ⅡA、ⅡB group explosive atmosphere.

1. 鑄鋁合金殼體，表面靜電噴塑。
2. 鑄造成型，結(jié)構(gòu)緊湊，外形美觀。
3. 鋼管或電纜布線
4. 在一個(gè)燈泡用壞后，自動(dòng)切換到下一個(gè)。
5. 采用最優(yōu)化控制電路，先進(jìn)可靠的電器集成元件。
根據(jù)環(huán)境亮度自動(dòng)啟閉，可靠性強(qiáng)即在夜晚和多霧時(shí)自動(dòng)開啟，
白天自動(dòng)關(guān)閉。
6. 符合GB3836-2000、IEC60079、GB12476.1-2000、IEC61241標(biāo)準(zhǔn)要求。
1. Diesasted aluminium alloy shell with plastic-sprayed surface.
2. Pressure-casted formation,compact structure and aesthetic appearance.
3. Suitable for steel pipe and wiring.
4. After one bulb failed, another one will auto take place the previous.
5. Using optimized control circuit and reliable integral elements,
it can be self-on or-off with the ambient temperature, high reliability,
I.e.:it can be on at nights and in fog, and be off in days automatically.
6. Suitable for GB3836-2000,IEC60079, GB12476.1-2000, IEC61241
standard request.