英语词汇“point rod”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

point rod n.

ΚΠ

1887 Times 10 June 13/1 By the use of the new detector, which interlocks the signal wires and point rods, the signalman is prevented giving a signal contrary to the direction in which his points are set.

1889 G. Findlay Working & Managem. Eng. Railway 75 ‘Point-rod Compensator’, which automatically compensates for the expansion or contraction from heat or cold of the rods which actuate the points.

2001 Xinhua Econ. News Service (Nexis) 27 June Railway or tramway track construction material of iron or steel, the following: rack rails, switch blades, crossing frogs, point rods and other crossing pieces.

单词	point rod
释义	> as lemmas point rod point rod n. ΚΠ 1887 Times 10 June 13/1 By the use of the new detector, which interlocks the signal wires and point rods, the signalman is prevented giving a signal contrary to the direction in which his points are set. 1889 G. Findlay Working & Managem. Eng. Railway 75 ‘Point-rod Compensator’, which automatically compensates for the expansion or contraction from heat or cold of the rods which actuate the points. 2001 Xinhua Econ. News Service (Nexis) 27 June Railway or tramway track construction material of iron or steel, the following: rack rails, switch blades, crossing frogs, point rods and other crossing pieces. extracted from pointn.¹ < as lemmas
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> as lemmas