The two most important parts of this set are the gear box (shown above on the left) and the solar cell (shown on the right).
最重要的两个部件，是齿轮箱(上图左侧)和太阳能电池(右侧)。
If you do manage to leave your cell phone, camera, or other battery-powered gear out in the rain - or worse, drop them in a toilet - the prognosis is usually pretty grim.
如果雨水损害了手机、相机、或其他电池供能的装置——或者更糟，把这些东西掉到厕所里——事后通常是相当麻烦的。
At present, in continuous extrusion processing of micro cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used.
在连续微孔挤出加工中，当今采用喷嘴和齿轮泵两种快速压降成核装置。
At present, in continuous extrusion processing of micro cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used.
在连续微孔挤出加工中，当今采用喷嘴和齿轮泵两种快速压降成核装置。
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