methacholine chloride的用法和樣例：
例句
- A methacholine challenge test will indicate asthma, but it may require the use of a special facility.
醋甲膽堿激發(fā)試驗可輔助診斷哮喘，但該試驗須要使用一種特殊設備。 - During this test, you inhale increasing amounts of methacholine aerosol mist before and after spirometry.
在這個(gè)試驗中，你要先吸入大量的醋甲膽堿氣霧劑，然后再進(jìn)行肺活量測試。
