Feeding mechanism: bucket hoisting and manual double bell jar feeding mechanism is adopted which is easy to operate and can prevent gas leakage efficiently.

加煤机构：采用斗提卷扬机构，手动双钟罩加煤装置，操作简便、能有效防止煤气泄漏。

youdao

This paper proposes an automatic calibration system of bell prover gas calibration facility.

介绍了一种钟罩式气体流量标准装置自动检定系统。

youdao

Feeding mechanism: bucket hoisting and manual double bell jar feeding mechanism is adopted, which is easy to operate and can prevent gas leakage efficiently.

加煤机构：采用斗提卷扬机构，手动双钟罩加煤装置，操作简便、能有效防止煤气泄漏。

youdao

Bell said the boat got gas at the marina, and the 32-foot vessel, with nine people aboard, stalled when it left the dock just after noon.

CNN: Six children injured in Maryland boat explosion

My parents never once questioned the practicality behind my passion, even when I had to scrape together gas money and regarded dinner at Taco Bell as a big night out.

NPR: Do What You Love

In one episode, after Hurricane Sandy, he visits a gas-station line, where a driver tells Bell that the police are helping to move his car.

NEWYORKER: Small Wonders