å¯è½åå ï¼
æºæ²¹æ²¹éä¸è¶³ï¼ä½¿æºæ²¹æ³µç泵油éåå°æå è¿ç©ºæ°èæ³µä¸ä¸æ²¹ï¼è´ä½¿æºæ²¹ååä¸é;
åå¨æºæ¸©åº¦è¿é«ï¼å®¹æ使æºæ²¹åç¨ï¼ä»é åé´éä¸å¤§éæµå¤±è导è´æ²¹åä¸é;
å½æºæ²¹æ³µé¶é¨ä»¶æåæå 磨æãè£ é çé®é¢åºç°é´éè¿å¤§æ¶ï¼å°ä¼é ææºæ²¹æ³µä¸åºæ²¹æåºæ²¹ä¸è¶³çæ é;
æ²è½´ä¸å¤§ãå°ç¦ä¹é´çé åé´éä¸å½ï¼è¿ç´§ä¼ä½¿æºæ²¹åååé«ï¼è¿æ¾ä¼ä½¿æºæ²¹ååéä½;
æºæ²¹æ»¤æ¸ å¨ãå¸æ²¹çå µå¡åæ ·ä¼ä½¿æºæ²¹ååéä½;
åæ²¹éæåæ失çµï¼è¥ä¸»æ²¹éåæ²¹é弹簧ç²å³è½¯åæè°æ´ä¸å½ï¼é座ä¸é¢ç çé åé¢ç£¨ææ被èç©å¡ä½èå ³éä¸ä¸¥æ¶ï¼åæ²¹é便ææ¾å°å¢å ï¼ä¸»æ²¹éçæ²¹åä¹éä¹ä¸é
æºæ²¹éç¨ä¸å½ï¼å¦æç¨éæçå·éç¨ä¸å½ï¼åå¨æºè¿è½¬æ¶ä¼å æºæ²¹ç²åº¦å¤ªä½èå 大æ³æ¼éï¼ä»è使油åéä½;