怎样给自行车轮胎充气

[[{"txt": "\u51c6\u5907\u6253\u6c14\u7b52\uff0c\u5145\u6c14\u53e3\u6709\u4e24\u4e2a\uff0c\u8981\u6839\u636e\u81ea\u884c\u8f66\u8f6e\u80ce\u7684\u63a5\u53e3\u9009\u62e9\uff0c\u5c06\u81ea\u884c\u8f66\u6ca1\u6709\u6c14\u7684\u8f6e\u80ce\u65cb\u8f6c\uff0c\u627e\u5230\u5145\u6c14\u63a5\u53e3\u3002"}, {"txt": "\u628a\u4fdd\u62a4\u5e3d\u62e7\u4e0b\u6765\uff0c\u5c06\u5145\u6c14\u63a5\u53e3\u8c03\u6574\u6210\u5145\u6c14\u72b6\u6001\uff0c\u5c06\u6253\u6c14\u7b52\u7684\u5145\u6c14\u63a5\u53e3\u4e0e\u81ea\u884c\u8f66\u8f6e\u80ce\u63a5\u53e3\u8fdb\u884c\u8fde\u63a5\u3002"}, {"txt": "\u6309\u4e0b\u5145\u6c14\u63a5\u53e3\u5361\u6263\uff0c\u63a8\u52a8\u5145\u6c14\u8bdd\u7b52\uff0c\u4e0a\u4e0b\u538b\u7f29\uff0c\u7ed9\u81ea\u884c\u8f66\u5145\u6c14\uff0c\u538b\u529b\u591f\u4e86\u5c31\u62c9\u8d77\u6253\u6c14\u7b52\u7684\u5361\u6263\uff0c\u5e26\u4e0a\u81ea\u884c\u8f66\u8f6e\u80ce\u7684\u5145\u6c14\u63a5\u53e3\u4fdd\u62a4\u5e3d\u3002"}]]