专用料dnda - 7144适宜制作气密性和力学性能较高的容器盖及工业容器。
Special resin DNDA-7144 is suitable for making vessel covers and industrial vessels with air tightness and higher mechanical property.
6一枝适宜发送莫尔斯讯号的防水手电筒，连同一副备用电池及一个备用灯泡，放在一个防水容器内；
6one Waterproof electric torch suitable for morse sign alling together with one spare set of batteries and one spare bulb in a waterproof container;
15一枝适宜发送穆尔斯讯号的防水手电筒，连同一副备用电池及一个备用灯泡，放在一个防水容器内；
15one Waterproof electric torch suitable for morse sign alling together with one spare set of batteries and one spare bulb in a waterproof container;
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