单词	main tangent
释义	main tangent 主切线
随便看	reserve shutdown availability time reserve shut-down hours reserve shutdown hours reserve shutdown state reserve shutdown system reserve shutdown time reserves hypothetical reserve siding reserve signalling link reserves increase ratio reserve sleeper reserves management reserves mineral fuels reserves of natural gas reserve source of cash reserve source of electrical power reserve source of electric power reserve space reserve speed reserves possible reserves probable reserves/production ratio reserve sprout forest reserve sprout system reserve-sprout system 511225132 511225134 511225135 511225141 511225143 511225144 511225151 511225152 511225153 511225154 34245 34246 34247 34248 34249 34250 34251 34252 34253 34254