闸: gear, brake, sluice, lock (on waterway), electric switch or circuit breaker...
环: ring, hoop, loop, (chain) link, classifier for scores in archery etc, to surround, to encircle, to hem in...
加重: to make heavier, to emphasize, (of an illness etc) to become more serious, to aggravate (a bad situation), to increase (a burden, punishment etc)...
摇: to shake, to rock, to row, to crank...
环保: environmental protection, environmentally friendly, abbr. for...
物资: goods, supplies...
输送: to transport, to convey, to deliver...
形状: form, shape...
皮鞋: leather shoes...
争先恐后: striving to be first and fearing to be last (idiom); outdoing one another...