What does Zuo think of coastal defense construction?

Zuo not only attaches importance to the defense of the fortress, but also has many original opinions on the construction of coastal defense. He believes that coastal defense construction "cannot be relaxed for a day", but it must be fortified. "If people are in the same body, there is a tunnel of gas, a sea of blood, tendons, envelopes and flesh, it is necessary and unnecessary. Tianjin, overhead; Great rivers and three rivers into the sea, waist also; All important islands, such as Taiwan Province Province and Dinghai, should be strictly guarded by left and right hands. ..... In addition, if you regard it as a hip moustache, it means that it will pay full attention to it and it is unnecessary. " 18811kloc-0/in late October, the Qing government appointed Zuo as the governor of Liangjiang and Minister of Trade of Nanyang, just before the Sino-French War. After Zuo came to power, he actively planned coastal defense and prepared for war. First of all, he strengthened the defense of the Yangtze River, with Wusongkou as the first pass, Baimaosha as the second pass, and Jiangyin fortress as the third pass, which was fortified layer by layer to prevent the enemy from going deep; Secondly, at the end of 1884, Wang sent help Taiwan troops to sneak into the Taiwan Province Strait, which was tightly blocked by the French army, to reinforce the Qing troops stationed in Taiwan to resist the French law and stabilize the situation in Taipei. Third, rectify the defense of the Minjiang River, increase the courage of soldiers at key points of the Minjiang River, build barriers, set up iron piles, and control the Minjiang River channel with iron cables.