multiple barrel 中文意思是什麼
multiple barrel
解釋
火箭發動機束-
4 heating zones on barrel, all with air - cooling. each zone with multiple rows of copper fins for high cooling efficiency, coupled with oversized cooling fans mounted at the rear of the extruder barrel. large wattage on heaters coupled with the efficient cooling system ensures very fast heating and cooling of each zone
機筒上有4個加熱區域，都帶有空氣冷卻裝置；每個區域含附帶大冷卻風扇的多排銅葉片可獲得高冷卻效果，高功率的加熱模塊同有效的冷卻系統相結合可以確保每個區域的快速加熱和冷卻。 -
Other weapon systems onboard the type 052c destroyer include the type 730 seven - barrel 30mm close - in weapon system ( ciws ) and 18 - tube multiple rocket launchers shown in this photo
其它機載武器系統的種類包括7307管近距離武器系統及18多個管火箭炮，在這張照片都有顯示
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