grounding the airplane. An electrical connection near 加油口附近，使加油车或地下油库电接地的电接头。

the fueling station for electrically grounding the fueling

base.

GS, SEE - GROUND SPEED                               地速（GS），

                                                         见Ground Speed．

GSE, SEE - GROUND SUPPORT EQUIPMENT                  地面保障设备（GSE），

                                                         见Ground Support Equipment．

GUARDED SWITCH, A switch that is protected against   带保护罩的开关，

accidental movement by having a cover installed          为防止意外拨动而直接装有罩盖的开关。

directly over it.

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英汉对照民用航空词典                                  BOEING

GW, SEE - GROSS WEIGHT                            全重（GW），

                                                    见Gross Weight．

H

HAIRLINE CRACK, A serious defect in structure; a  细缝裂纹，

crack that shows as a very thin line.               结构内的严重缺陷；裂纹的外观是一条很细的线。

HARD-OVER, A maximum pitch or roll maneuver.      急偏，

                                                    最大俯仰或横侧操纵。

HDG HOLD, SEE - HEADING HOLD                      航向保持，

                                                    见 Heading Hold．