血管: vein, artery...
严格: strict, stringent, tight, rigorous...
研讨: discussion...
突破口: breach, gap, breakthrough point...
溜达: to stroll, to go for a walk...
专用: special, dedicated...
电动车: electric car...
千方百计: thousand ways, a hundred plans (idiom); by every possible means...
很: (adverb of degree), quite, very, awfully...
完备: faultless, complete, perfect, to leave nothing to be desired...