套管 (tào guǎn) — casing (pipe) | TongTong Chinese Dictionary

Definition

A technical term for a 'casing' — a large pipe, especially in oil drilling, inserted into a borehole to line and stabilize it. Concrete, specialized noun, not a general word for pipe.

noun

casing (pipe)

Measure word · 根

Examples

套管。
Gōng rén men zhèng zài ān zhuāng tào guǎn.
The workers are installing the casing.
套管。
Zhè zhǒng tào guǎn de zhí jìng shì shí lí mǐ.
The diameter of this casing is 10 cm.
套管。
Shí yóu zuàn jǐng xū yào gāo zhì liàng de tào guǎn.
Oil drilling requires high-quality casings.

Origin

Compound word

构词法gòucífǎ

偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

套 (sleeve) and 管 (pipe) combine for a casing pipe.

Characters in this word

Two or more meaningful parts placed together so that their meanings combine into a new one.

大大dàlarge
長長chánglong

套 is made from 大 (large) and 長 (long), originally for something long, with some reference to hair; it later came to mean a cover or a linked group.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

竹官管

Meaning part形符xíngfú

竹竹zhúbamboo

Sound part声符shēngfú

官

官guān管guǎn

Same sound today

管 has 竹 (bamboo) on top to show it relates to bamboo, and 官 gives its sound.

Appears in

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