PAY PARTICULAR ATTENTION TO SKIN ( LOWER PART OF BLADE NOSE SECTION BETWEEN SECTIONS 1...14) WITH PURPOSE OF TIMELY DETECTION OF CRACKS OR WHITENING AND PREVENTION OF THEIR PLACING UNDER HEATING COVER PLATE OF AIS OR TAIL SECTION SKIN. 为了及时探测出裂痕或老化问题，并防止将其误置于机载截听设备或尾部外壳暖气片之下，（请）特别注意旋翼头下部第1到14部分的外壳。