double-line railway：雙線鐵路

3135 double-line interlocking lock and block 雙線半自動(dòng)閉塞 | 3136 double-line railway 雙線鐵路 | 3137 double-line section 雙線區(qū)段

double-line traffic：雙線行車

3137 double-line section 雙線區(qū)段 | 3138 double-line traffic 雙線行車 | 3139 double-line working 雙線行李

double-line working：雙線行李

3138 double-line traffic 雙線行車 | 3139 double-line working 雙線行李 | 3140 double-rail retarder 雙軌條車輛減速器

double-line section：雙線區(qū)段

3136 double-line railway 雙線鐵路 | 3137 double-line section 雙線區(qū)段 | 3138 double-line traffic 雙線行車

double-name paper：雙名票據(jù)

double liability雙重責(zé)任 | double-name paper雙名票據(jù) | double option雙重期權(quán)

double-opposed ram steering gear：雙列對(duì)置柱塞式操舵裝置

double-leaf door 雙截門(mén) | double-opposed ram steering gear 雙列對(duì)置柱塞式操舵裝置 | double-over test 對(duì)折試驗(yàn)

double-pointed：雙端

double-ply 雙層 雙股 | double-pointed 雙端 | double-pointedtack 雙尖釘

double-pointed nail：雙頭釘

double-point scriber 兩端劃針 | double-point tool 雙刃刀具 | double-pointed nail 雙頭釘

double-pointed nail：合釘

"double point","二重點(diǎn)" | "double pointed nail","合釘" | "double polarisation","二重偏光"

double-pointed nail：兩頭尖釘

"雙線停車","Double parking" | "兩頭尖釘","Double pointed nail" | "雙稜矩鏡","Double prismatic square"