フリー問題

問題文

Water got into one outdoor joint over the first winter and the readings from that leg drifted slowly worse. Which pair states what the open joint invites and what a properly sealed gland holds?

選択肢

1. Water got into one outdoor joint over the first winter, so the open joint invites the slow degradation and the sealed gland holds the tight clamp in that installation.
2. Water got into one outdoor joint over the first winter, so the open joint invites the slow degradation and the sealed gland holds the tight seal in that installation.
3. Water got into one outdoor joint over the first winter, so the open joint invites the slow downlink and the sealed gland holds the tight clamp in that installation.
4. Water got into one outdoor joint over the first winter, so the open joint invites the slow downlink and the sealed gland holds the tight seal in that installation.